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Finding the Fourth Proportional to 108,793.32, 150,134.37 and 61,046.55

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Solution

The fourth proportional to 108,793.32, 150,134.37 and 61,046.55 is: 84,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,793.32 : 150,134.37 = 61,046.55 : x
  2. Step 2: Convert to fraction form
    108,793.32/150,134.37 = 61,046.55/x
  3. Step 3: Cross multiply
    108,793.32x = 150,134.37 × 61,046.55
  4. Step 4: Simplify right side
    108,793.32x = 9,165,185,324.92
  5. Step 5: Solve for x
    x = 9,165,185,324.92/108,793.32
  6. Step 6: Final answer
    x = 84,244.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.