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Finding the Fourth Proportional to 181,508.60, 272,044.20 and 92,716.40

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Solution

The fourth proportional to 181,508.60, 272,044.20 and 92,716.40 is: 138,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,508.60 : 272,044.20 = 92,716.40 : x
  2. Step 2: Convert to fraction form
    181,508.60/272,044.20 = 92,716.40/x
  3. Step 3: Cross multiply
    181,508.60x = 272,044.20 × 92,716.40
  4. Step 4: Simplify right side
    181,508.60x = 25,222,958,864.88
  5. Step 5: Solve for x
    x = 25,222,958,864.88/181,508.60
  6. Step 6: Final answer
    x = 138,962.89

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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.