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Finding the Fourth Proportional to 252,695.97, 379,042.43 and 63,155.39

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Solution

The fourth proportional to 252,695.97, 379,042.43 and 63,155.39 is: 94,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,695.97 : 379,042.43 = 63,155.39 : x
  2. Step 2: Convert to fraction form
    252,695.97/379,042.43 = 63,155.39/x
  3. Step 3: Cross multiply
    252,695.97x = 379,042.43 × 63,155.39
  4. Step 4: Simplify right side
    252,695.97x = 23,938,570,282.21
  5. Step 5: Solve for x
    x = 23,938,570,282.21/252,695.97
  6. Step 6: Final answer
    x = 94,732.70

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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.