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Finding the Fourth Proportional to 162,865.62, 244,218.24 and 77,452.74

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Solution

The fourth proportional to 162,865.62, 244,218.24 and 77,452.74 is: 116,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,865.62 : 244,218.24 = 77,452.74 : x
  2. Step 2: Convert to fraction form
    162,865.62/244,218.24 = 77,452.74/x
  3. Step 3: Cross multiply
    162,865.62x = 244,218.24 × 77,452.74
  4. Step 4: Simplify right side
    162,865.62x = 18,915,371,845.98
  5. Step 5: Solve for x
    x = 18,915,371,845.98/162,865.62
  6. Step 6: Final answer
    x = 116,140.97

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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.