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Finding the Fourth Proportional to 137,751.48, 206,625.78 and 44,257.32

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Solution

The fourth proportional to 137,751.48, 206,625.78 and 44,257.32 is: 66,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,751.48 : 206,625.78 = 44,257.32 : x
  2. Step 2: Convert to fraction form
    137,751.48/206,625.78 = 44,257.32/x
  3. Step 3: Cross multiply
    137,751.48x = 206,625.78 × 44,257.32
  4. Step 4: Simplify right side
    137,751.48x = 9,144,703,265.71
  5. Step 5: Solve for x
    x = 9,144,703,265.71/137,751.48
  6. Step 6: Final answer
    x = 66,385.52

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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.