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Finding the Fourth Proportional to 137,586.60, 206,379.90 and 44,101.80

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Solution

The fourth proportional to 137,586.60, 206,379.90 and 44,101.80 is: 66,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,586.60 : 206,379.90 = 44,101.80 : x
  2. Step 2: Convert to fraction form
    137,586.60/206,379.90 = 44,101.80/x
  3. Step 3: Cross multiply
    137,586.60x = 206,379.90 × 44,101.80
  4. Step 4: Simplify right side
    137,586.60x = 9,101,725,073.82
  5. Step 5: Solve for x
    x = 9,101,725,073.82/137,586.60
  6. Step 6: Final answer
    x = 66,152.70

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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.