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Finding the Fourth Proportional to 229,558.60, 344,337.90 and 71,786.80

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Solution

The fourth proportional to 229,558.60, 344,337.90 and 71,786.80 is: 107,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,558.60 : 344,337.90 = 71,786.80 : x
  2. Step 2: Convert to fraction form
    229,558.60/344,337.90 = 71,786.80/x
  3. Step 3: Cross multiply
    229,558.60x = 344,337.90 × 71,786.80
  4. Step 4: Simplify right side
    229,558.60x = 24,718,915,959.72
  5. Step 5: Solve for x
    x = 24,718,915,959.72/229,558.60
  6. Step 6: Final answer
    x = 107,680.20

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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.