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Finding the Fourth Proportional to 95,306.40, 142,862.40 and 55,843.20

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Solution

The fourth proportional to 95,306.40, 142,862.40 and 55,843.20 is: 83,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,306.40 : 142,862.40 = 55,843.20 : x
  2. Step 2: Convert to fraction form
    95,306.40/142,862.40 = 55,843.20/x
  3. Step 3: Cross multiply
    95,306.40x = 142,862.40 × 55,843.20
  4. Step 4: Simplify right side
    95,306.40x = 7,977,893,575.68
  5. Step 5: Solve for x
    x = 7,977,893,575.68/95,306.40
  6. Step 6: Final answer
    x = 83,707.85

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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.