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Finding the Fourth Proportional to 181,686.72, 272,531.30 and 63,357.60

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Solution

The fourth proportional to 181,686.72, 272,531.30 and 63,357.60 is: 95,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,686.72 : 272,531.30 = 63,357.60 : x
  2. Step 2: Convert to fraction form
    181,686.72/272,531.30 = 63,357.60/x
  3. Step 3: Cross multiply
    181,686.72x = 272,531.30 × 63,357.60
  4. Step 4: Simplify right side
    181,686.72x = 17,266,928,776.09
  5. Step 5: Solve for x
    x = 17,266,928,776.09/181,686.72
  6. Step 6: Final answer
    x = 95,036.82

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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.