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Finding the Fourth Proportional to 124,545.50, 186,819.88 and 41,439.50

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Solution

The fourth proportional to 124,545.50, 186,819.88 and 41,439.50 is: 62,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.50 : 186,819.88 = 41,439.50 : x
  2. Step 2: Convert to fraction form
    124,545.50/186,819.88 = 41,439.50/x
  3. Step 3: Cross multiply
    124,545.50x = 186,819.88 × 41,439.50
  4. Step 4: Simplify right side
    124,545.50x = 7,741,722,417.26
  5. Step 5: Solve for x
    x = 7,741,722,417.26/124,545.50
  6. Step 6: Final answer
    x = 62,159.79

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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.