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Finding the Fourth Proportional to 252,561.83, 348,542.55 and 137,847.78

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Solution

The fourth proportional to 252,561.83, 348,542.55 and 137,847.78 is: 190,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,561.83 : 348,542.55 = 137,847.78 : x
  2. Step 2: Convert to fraction form
    252,561.83/348,542.55 = 137,847.78/x
  3. Step 3: Cross multiply
    252,561.83x = 348,542.55 × 137,847.78
  4. Step 4: Simplify right side
    252,561.83x = 48,045,816,753.04
  5. Step 5: Solve for x
    x = 48,045,816,753.04/252,561.83
  6. Step 6: Final answer
    x = 190,233.88

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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.