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Finding the Fourth Proportional to 137,702.73, 206,524.92 and 44,186.61

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Solution

The fourth proportional to 137,702.73, 206,524.92 and 44,186.61 is: 66,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,702.73 : 206,524.92 = 44,186.61 : x
  2. Step 2: Convert to fraction form
    137,702.73/206,524.92 = 44,186.61/x
  3. Step 3: Cross multiply
    137,702.73x = 206,524.92 × 44,186.61
  4. Step 4: Simplify right side
    137,702.73x = 9,125,636,095.32
  5. Step 5: Solve for x
    x = 9,125,636,095.32/137,702.73
  6. Step 6: Final answer
    x = 66,270.55

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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.