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Finding the Fourth Proportional to 230,540.76, 345,828.96 and 88,454.04

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Solution

The fourth proportional to 230,540.76, 345,828.96 and 88,454.04 is: 132,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,540.76 : 345,828.96 = 88,454.04 : x
  2. Step 2: Convert to fraction form
    230,540.76/345,828.96 = 88,454.04/x
  3. Step 3: Cross multiply
    230,540.76x = 345,828.96 × 88,454.04
  4. Step 4: Simplify right side
    230,540.76x = 30,589,968,661.00
  5. Step 5: Solve for x
    x = 30,589,968,661.00/230,540.76
  6. Step 6: Final answer
    x = 132,687.90

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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.