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Finding the Fourth Proportional to 181,387.59, 272,109.56 and 92,593.05

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Solution

The fourth proportional to 181,387.59, 272,109.56 and 92,593.05 is: 138,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,387.59 : 272,109.56 = 92,593.05 : x
  2. Step 2: Convert to fraction form
    181,387.59/272,109.56 = 92,593.05/x
  3. Step 3: Cross multiply
    181,387.59x = 272,109.56 × 92,593.05
  4. Step 4: Simplify right side
    181,387.59x = 25,195,453,631.59
  5. Step 5: Solve for x
    x = 25,195,453,631.59/181,387.59
  6. Step 6: Final answer
    x = 138,903.95

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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.