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Finding the Fourth Proportional to 230,310.60, 345,566.28 and 80,658.24

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Solution

The fourth proportional to 230,310.60, 345,566.28 and 80,658.24 is: 121,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,310.60 : 345,566.28 = 80,658.24 : x
  2. Step 2: Convert to fraction form
    230,310.60/345,566.28 = 80,658.24/x
  3. Step 3: Cross multiply
    230,310.60x = 345,566.28 × 80,658.24
  4. Step 4: Simplify right side
    230,310.60x = 27,872,767,948.15
  5. Step 5: Solve for x
    x = 27,872,767,948.15/230,310.60
  6. Step 6: Final answer
    x = 121,022.51

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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.