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Finding the Fourth Proportional to 125,407.92, 188,001.15 and 95,957.22

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Solution

The fourth proportional to 125,407.92, 188,001.15 and 95,957.22 is: 143,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,407.92 : 188,001.15 = 95,957.22 : x
  2. Step 2: Convert to fraction form
    125,407.92/188,001.15 = 95,957.22/x
  3. Step 3: Cross multiply
    125,407.92x = 188,001.15 × 95,957.22
  4. Step 4: Simplify right side
    125,407.92x = 18,040,067,710.80
  5. Step 5: Solve for x
    x = 18,040,067,710.80/125,407.92
  6. Step 6: Final answer
    x = 143,851.10

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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.