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Finding the Fourth Proportional to 137,955.56, 206,760.12 and 58,976.84

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Solution

The fourth proportional to 137,955.56, 206,760.12 and 58,976.84 is: 88,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,955.56 : 206,760.12 = 58,976.84 : x
  2. Step 2: Convert to fraction form
    137,955.56/206,760.12 = 58,976.84/x
  3. Step 3: Cross multiply
    137,955.56x = 206,760.12 × 58,976.84
  4. Step 4: Simplify right side
    137,955.56x = 12,194,058,515.62
  5. Step 5: Solve for x
    x = 12,194,058,515.62/137,955.56
  6. Step 6: Final answer
    x = 88,391.21

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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.