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Finding the Fourth Proportional to 181,605.20, 272,407.80 and 88,293.20

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Solution

The fourth proportional to 181,605.20, 272,407.80 and 88,293.20 is: 132,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,605.20 : 272,407.80 = 88,293.20 : x
  2. Step 2: Convert to fraction form
    181,605.20/272,407.80 = 88,293.20/x
  3. Step 3: Cross multiply
    181,605.20x = 272,407.80 × 88,293.20
  4. Step 4: Simplify right side
    181,605.20x = 24,051,756,366.96
  5. Step 5: Solve for x
    x = 24,051,756,366.96/181,605.20
  6. Step 6: Final answer
    x = 132,439.80

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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.