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Finding the Fourth Proportional to 229,402.56, 344,125.80 and 89,172.12

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Solution

The fourth proportional to 229,402.56, 344,125.80 and 89,172.12 is: 133,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,402.56 : 344,125.80 = 89,172.12 : x
  2. Step 2: Convert to fraction form
    229,402.56/344,125.80 = 89,172.12/x
  3. Step 3: Cross multiply
    229,402.56x = 344,125.80 × 89,172.12
  4. Step 4: Simplify right side
    229,402.56x = 30,686,427,132.70
  5. Step 5: Solve for x
    x = 30,686,427,132.70/229,402.56
  6. Step 6: Final answer
    x = 133,766.72

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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.