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Finding the Fourth Proportional to 229,508.60, 344,262.90 and 71,736.80

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Solution

The fourth proportional to 229,508.60, 344,262.90 and 71,736.80 is: 107,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,508.60 : 344,262.90 = 71,736.80 : x
  2. Step 2: Convert to fraction form
    229,508.60/344,262.90 = 71,736.80/x
  3. Step 3: Cross multiply
    229,508.60x = 344,262.90 × 71,736.80
  4. Step 4: Simplify right side
    229,508.60x = 24,696,318,804.72
  5. Step 5: Solve for x
    x = 24,696,318,804.72/229,508.60
  6. Step 6: Final answer
    x = 107,605.20

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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.