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Finding the Fourth Proportional to 125,391.76, 188,078.46 and 58,847.02

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Solution

The fourth proportional to 125,391.76, 188,078.46 and 58,847.02 is: 88,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,391.76 : 188,078.46 = 58,847.02 : x
  2. Step 2: Convert to fraction form
    125,391.76/188,078.46 = 58,847.02/x
  3. Step 3: Cross multiply
    125,391.76x = 188,078.46 × 58,847.02
  4. Step 4: Simplify right side
    125,391.76x = 11,067,856,897.19
  5. Step 5: Solve for x
    x = 11,067,856,897.19/125,391.76
  6. Step 6: Final answer
    x = 88,266.22

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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.