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Finding the Fourth Proportional to 252,792.73, 379,189.10 and 75,295.13

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Solution

The fourth proportional to 252,792.73, 379,189.10 and 75,295.13 is: 112,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,792.73 : 379,189.10 = 75,295.13 : x
  2. Step 2: Convert to fraction form
    252,792.73/379,189.10 = 75,295.13/x
  3. Step 3: Cross multiply
    252,792.73x = 379,189.10 × 75,295.13
  4. Step 4: Simplify right side
    252,792.73x = 28,551,092,579.08
  5. Step 5: Solve for x
    x = 28,551,092,579.08/252,792.73
  6. Step 6: Final answer
    x = 112,942.70

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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.