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Finding the Fourth Proportional to 229,236.03, 343,891.71 and 71,432.64

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Solution

The fourth proportional to 229,236.03, 343,891.71 and 71,432.64 is: 107,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,236.03 : 343,891.71 = 71,432.64 : x
  2. Step 2: Convert to fraction form
    229,236.03/343,891.71 = 71,432.64/x
  3. Step 3: Cross multiply
    229,236.03x = 343,891.71 × 71,432.64
  4. Step 4: Simplify right side
    229,236.03x = 24,565,092,719.41
  5. Step 5: Solve for x
    x = 24,565,092,719.41/229,236.03
  6. Step 6: Final answer
    x = 107,160.70

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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.