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Finding the Fourth Proportional to 181,780.53, 272,795.36 and 63,451.86

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Solution

The fourth proportional to 181,780.53, 272,795.36 and 63,451.86 is: 95,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,780.53 : 272,795.36 = 63,451.86 : x
  2. Step 2: Convert to fraction form
    181,780.53/272,795.36 = 63,451.86/x
  3. Step 3: Cross multiply
    181,780.53x = 272,795.36 × 63,451.86
  4. Step 4: Simplify right side
    181,780.53x = 17,309,373,673.36
  5. Step 5: Solve for x
    x = 17,309,373,673.36/181,780.53
  6. Step 6: Final answer
    x = 95,221.27

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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.