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Finding the Fourth Proportional to 181,770.81, 272,780.80 and 63,442.15

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Solution

The fourth proportional to 181,770.81, 272,780.80 and 63,442.15 is: 95,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,770.81 : 272,780.80 = 63,442.15 : x
  2. Step 2: Convert to fraction form
    181,770.81/272,780.80 = 63,442.15/x
  3. Step 3: Cross multiply
    181,770.81x = 272,780.80 × 63,442.15
  4. Step 4: Simplify right side
    181,770.81x = 17,305,800,430.72
  5. Step 5: Solve for x
    x = 17,305,800,430.72/181,770.81
  6. Step 6: Final answer
    x = 95,206.71

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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.