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Finding the Fourth Proportional to 108,506.57, 149,734.93 and 60,757.52

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Solution

The fourth proportional to 108,506.57, 149,734.93 and 60,757.52 is: 83,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,506.57 : 149,734.93 = 60,757.52 : x
  2. Step 2: Convert to fraction form
    108,506.57/149,734.93 = 60,757.52/x
  3. Step 3: Cross multiply
    108,506.57x = 149,734.93 × 60,757.52
  4. Step 4: Simplify right side
    108,506.57x = 9,097,522,103.61
  5. Step 5: Solve for x
    x = 9,097,522,103.61/108,506.57
  6. Step 6: Final answer
    x = 83,843.06

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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.