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Finding the Fourth Proportional to 125,141.90, 187,581.56 and 58,525.88

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Solution

The fourth proportional to 125,141.90, 187,581.56 and 58,525.88 is: 87,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.90 : 187,581.56 = 58,525.88 : x
  2. Step 2: Convert to fraction form
    125,141.90/187,581.56 = 58,525.88/x
  3. Step 3: Cross multiply
    125,141.90x = 187,581.56 × 58,525.88
  4. Step 4: Simplify right side
    125,141.90x = 10,978,374,640.24
  5. Step 5: Solve for x
    x = 10,978,374,640.24/125,141.90
  6. Step 6: Final answer
    x = 87,727.41

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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.