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Finding the Fourth Proportional to 115,999.44, 174,000.18 and 45,878.73

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Solution

The fourth proportional to 115,999.44, 174,000.18 and 45,878.73 is: 68,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.44 : 174,000.18 = 45,878.73 : x
  2. Step 2: Convert to fraction form
    115,999.44/174,000.18 = 45,878.73/x
  3. Step 3: Cross multiply
    115,999.44x = 174,000.18 × 45,878.73
  4. Step 4: Simplify right side
    115,999.44x = 7,982,907,278.17
  5. Step 5: Solve for x
    x = 7,982,907,278.17/115,999.44
  6. Step 6: Final answer
    x = 68,818.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.