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Finding the Fourth Proportional to 230,385.90, 345,341.88 and 88,197.70

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Solution

The fourth proportional to 230,385.90, 345,341.88 and 88,197.70 is: 132,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,385.90 : 345,341.88 = 88,197.70 : x
  2. Step 2: Convert to fraction form
    230,385.90/345,341.88 = 88,197.70/x
  3. Step 3: Cross multiply
    230,385.90x = 345,341.88 × 88,197.70
  4. Step 4: Simplify right side
    230,385.90x = 30,458,359,529.68
  5. Step 5: Solve for x
    x = 30,458,359,529.68/230,385.90
  6. Step 6: Final answer
    x = 132,205.83

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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.