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Finding the Fourth Proportional to 162,591.39, 243,891.40 and 44,265.15

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Solution

The fourth proportional to 162,591.39, 243,891.40 and 44,265.15 is: 66,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,591.39 : 243,891.40 = 44,265.15 : x
  2. Step 2: Convert to fraction form
    162,591.39/243,891.40 = 44,265.15/x
  3. Step 3: Cross multiply
    162,591.39x = 243,891.40 × 44,265.15
  4. Step 4: Simplify right side
    162,591.39x = 10,795,889,183.38
  5. Step 5: Solve for x
    x = 10,795,889,183.38/162,591.39
  6. Step 6: Final answer
    x = 66,398.90

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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.