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Finding the Fourth Proportional to 125,279.52, 187,830.00 and 58,683.32

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Solution

The fourth proportional to 125,279.52, 187,830.00 and 58,683.32 is: 87,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,279.52 : 187,830.00 = 58,683.32 : x
  2. Step 2: Convert to fraction form
    125,279.52/187,830.00 = 58,683.32/x
  3. Step 3: Cross multiply
    125,279.52x = 187,830.00 × 58,683.32
  4. Step 4: Simplify right side
    125,279.52x = 11,022,486,763.03
  5. Step 5: Solve for x
    x = 11,022,486,763.03/125,279.52
  6. Step 6: Final answer
    x = 87,983.15

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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.