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Finding the Fourth Proportional to 108,437.52, 149,644.52 and 60,695.28

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Solution

The fourth proportional to 108,437.52, 149,644.52 and 60,695.28 is: 83,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,437.52 : 149,644.52 = 60,695.28 : x
  2. Step 2: Convert to fraction form
    108,437.52/149,644.52 = 60,695.28/x
  3. Step 3: Cross multiply
    108,437.52x = 149,644.52 × 60,695.28
  4. Step 4: Simplify right side
    108,437.52x = 9,082,716,041.87
  5. Step 5: Solve for x
    x = 9,082,716,041.87/108,437.52
  6. Step 6: Final answer
    x = 83,759.90

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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.