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Finding the Fourth Proportional to 252,753.60, 379,025.12 and 102,892.24

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Solution

The fourth proportional to 252,753.60, 379,025.12 and 102,892.24 is: 154,295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,753.60 : 379,025.12 = 102,892.24 : x
  2. Step 2: Convert to fraction form
    252,753.60/379,025.12 = 102,892.24/x
  3. Step 3: Cross multiply
    252,753.60x = 379,025.12 × 102,892.24
  4. Step 4: Simplify right side
    252,753.60x = 38,998,743,613.07
  5. Step 5: Solve for x
    x = 38,998,743,613.07/252,753.60
  6. Step 6: Final answer
    x = 154,295.50

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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.