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Finding the Fourth Proportional to 229,753.44, 344,488.92 and 89,348.40

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Solution

The fourth proportional to 229,753.44, 344,488.92 and 89,348.40 is: 133,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,753.44 : 344,488.92 = 89,348.40 : x
  2. Step 2: Convert to fraction form
    229,753.44/344,488.92 = 89,348.40/x
  3. Step 3: Cross multiply
    229,753.44x = 344,488.92 × 89,348.40
  4. Step 4: Simplify right side
    229,753.44x = 30,779,533,819.73
  5. Step 5: Solve for x
    x = 30,779,533,819.73/229,753.44
  6. Step 6: Final answer
    x = 133,967.67

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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.