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Finding the Fourth Proportional to 229,489.20, 344,233.80 and 71,733.60

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Solution

The fourth proportional to 229,489.20, 344,233.80 and 71,733.60 is: 107,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,489.20 : 344,233.80 = 71,733.60 : x
  2. Step 2: Convert to fraction form
    229,489.20/344,233.80 = 71,733.60/x
  3. Step 3: Cross multiply
    229,489.20x = 344,233.80 × 71,733.60
  4. Step 4: Simplify right side
    229,489.20x = 24,693,129,715.68
  5. Step 5: Solve for x
    x = 24,693,129,715.68/229,489.20
  6. Step 6: Final answer
    x = 107,600.40

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1.5x scale

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.