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Finding the Fourth Proportional to 97,799.97, 146,671.20 and 41,639.43

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Solution

The fourth proportional to 97,799.97, 146,671.20 and 41,639.43 is: 62,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,799.97 : 146,671.20 = 41,639.43 : x
  2. Step 2: Convert to fraction form
    97,799.97/146,671.20 = 41,639.43/x
  3. Step 3: Cross multiply
    97,799.97x = 146,671.20 × 41,639.43
  4. Step 4: Simplify right side
    97,799.97x = 6,107,305,165.42
  5. Step 5: Solve for x
    x = 6,107,305,165.42/97,799.97
  6. Step 6: Final answer
    x = 62,446.90

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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.