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Finding the Fourth Proportional to 99,179.80, 148,791.56 and 32,617.24

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Solution

The fourth proportional to 99,179.80, 148,791.56 and 32,617.24 is: 48,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,179.80 : 148,791.56 = 32,617.24 : x
  2. Step 2: Convert to fraction form
    99,179.80/148,791.56 = 32,617.24/x
  3. Step 3: Cross multiply
    99,179.80x = 148,791.56 × 32,617.24
  4. Step 4: Simplify right side
    99,179.80x = 4,853,170,022.49
  5. Step 5: Solve for x
    x = 4,853,170,022.49/99,179.80
  6. Step 6: Final answer
    x = 48,933.05

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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.