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Finding the Fourth Proportional to 181,900.92, 272,799.54 and 71,067

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Solution

The fourth proportional to 181,900.92, 272,799.54 and 71,067 is: 106,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,900.92 : 272,799.54 = 71,067 : x
  2. Step 2: Convert to fraction form
    181,900.92/272,799.54 = 71,067/x
  3. Step 3: Cross multiply
    181,900.92x = 272,799.54 × 71,067
  4. Step 4: Simplify right side
    181,900.92x = 19,387,044,909.18
  5. Step 5: Solve for x
    x = 19,387,044,909.18/181,900.92
  6. Step 6: Final answer
    x = 106,580.25

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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.