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Finding the Fourth Proportional to 125,338.46, 187,952.34 and 58,724.88

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Solution

The fourth proportional to 125,338.46, 187,952.34 and 58,724.88 is: 88,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,338.46 : 187,952.34 = 58,724.88 : x
  2. Step 2: Convert to fraction form
    125,338.46/187,952.34 = 58,724.88/x
  3. Step 3: Cross multiply
    125,338.46x = 187,952.34 × 58,724.88
  4. Step 4: Simplify right side
    125,338.46x = 11,037,478,612.22
  5. Step 5: Solve for x
    x = 11,037,478,612.22/125,338.46
  6. Step 6: Final answer
    x = 88,061.39

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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.