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Finding the Fourth Proportional to 125,158.29, 187,791.20 and 83,053.08

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Solution

The fourth proportional to 125,158.29, 187,791.20 and 83,053.08 is: 124,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,158.29 : 187,791.20 = 83,053.08 : x
  2. Step 2: Convert to fraction form
    125,158.29/187,791.20 = 83,053.08/x
  3. Step 3: Cross multiply
    125,158.29x = 187,791.20 × 83,053.08
  4. Step 4: Simplify right side
    125,158.29x = 15,596,637,556.90
  5. Step 5: Solve for x
    x = 15,596,637,556.90/125,158.29
  6. Step 6: Final answer
    x = 124,615.30

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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.