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Finding the Fourth Proportional to 172,598.58, 238,259.75 and 116,042.76

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Solution

The fourth proportional to 172,598.58, 238,259.75 and 116,042.76 is: 160,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,598.58 : 238,259.75 = 116,042.76 : x
  2. Step 2: Convert to fraction form
    172,598.58/238,259.75 = 116,042.76/x
  3. Step 3: Cross multiply
    172,598.58x = 238,259.75 × 116,042.76
  4. Step 4: Simplify right side
    172,598.58x = 27,648,318,406.70
  5. Step 5: Solve for x
    x = 27,648,318,406.70/172,598.58
  6. Step 6: Final answer
    x = 160,188.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.