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Finding the Fourth Proportional to 96,634.60, 144,944.70 and 40,460.20

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Solution

The fourth proportional to 96,634.60, 144,944.70 and 40,460.20 is: 60,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,634.60 : 144,944.70 = 40,460.20 : x
  2. Step 2: Convert to fraction form
    96,634.60/144,944.70 = 40,460.20/x
  3. Step 3: Cross multiply
    96,634.60x = 144,944.70 × 40,460.20
  4. Step 4: Simplify right side
    96,634.60x = 5,864,491,550.94
  5. Step 5: Solve for x
    x = 5,864,491,550.94/96,634.60
  6. Step 6: Final answer
    x = 60,687.29

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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.