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Finding the Fourth Proportional to 181,686.97, 272,531.67 and 63,357.85

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Solution

The fourth proportional to 181,686.97, 272,531.67 and 63,357.85 is: 95,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,686.97 : 272,531.67 = 63,357.85 : x
  2. Step 2: Convert to fraction form
    181,686.97/272,531.67 = 63,357.85/x
  3. Step 3: Cross multiply
    181,686.97x = 272,531.67 × 63,357.85
  4. Step 4: Simplify right side
    181,686.97x = 17,267,020,668.11
  5. Step 5: Solve for x
    x = 17,267,020,668.11/181,686.97
  6. Step 6: Final answer
    x = 95,037.20

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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.