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Finding the Fourth Proportional to 230,423.86, 345,561.07 and 88,261.57

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Solution

The fourth proportional to 230,423.86, 345,561.07 and 88,261.57 is: 132,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,423.86 : 345,561.07 = 88,261.57 : x
  2. Step 2: Convert to fraction form
    230,423.86/345,561.07 = 88,261.57/x
  3. Step 3: Cross multiply
    230,423.86x = 345,561.07 × 88,261.57
  4. Step 4: Simplify right side
    230,423.86x = 30,499,760,620.62
  5. Step 5: Solve for x
    x = 30,499,760,620.62/230,423.86
  6. Step 6: Final answer
    x = 132,363.73

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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.