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Finding the Fourth Proportional to 114,866.05, 172,299.08 and 35,980.56

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Solution

The fourth proportional to 114,866.05, 172,299.08 and 35,980.56 is: 53,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866.05 : 172,299.08 = 35,980.56 : x
  2. Step 2: Convert to fraction form
    114,866.05/172,299.08 = 35,980.56/x
  3. Step 3: Cross multiply
    114,866.05x = 172,299.08 × 35,980.56
  4. Step 4: Simplify right side
    114,866.05x = 6,199,417,385.88
  5. Step 5: Solve for x
    x = 6,199,417,385.88/114,866.05
  6. Step 6: Final answer
    x = 53,970.84

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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.