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Finding the Fourth Proportional to 83,193.48, 124,659 and 30,530.52

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Solution

The fourth proportional to 83,193.48, 124,659 and 30,530.52 is: 45,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,193.48 : 124,659 = 30,530.52 : x
  2. Step 2: Convert to fraction form
    83,193.48/124,659 = 30,530.52/x
  3. Step 3: Cross multiply
    83,193.48x = 124,659 × 30,530.52
  4. Step 4: Simplify right side
    83,193.48x = 3,805,904,092.68
  5. Step 5: Solve for x
    x = 3,805,904,092.68/83,193.48
  6. Step 6: Final answer
    x = 45,747.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.