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Finding the Fourth Proportional to 181,721.64, 272,504.70 and 63,357.96

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Solution

The fourth proportional to 181,721.64, 272,504.70 and 63,357.96 is: 95,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,721.64 : 272,504.70 = 63,357.96 : x
  2. Step 2: Convert to fraction form
    181,721.64/272,504.70 = 63,357.96/x
  3. Step 3: Cross multiply
    181,721.64x = 272,504.70 × 63,357.96
  4. Step 4: Simplify right side
    181,721.64x = 17,265,341,882.41
  5. Step 5: Solve for x
    x = 17,265,341,882.41/181,721.64
  6. Step 6: Final answer
    x = 95,009.83

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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.