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Finding the Fourth Proportional to 108,064.52, 149,129.22 and 60,317.88

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Solution

The fourth proportional to 108,064.52, 149,129.22 and 60,317.88 is: 83,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,064.52 : 149,129.22 = 60,317.88 : x
  2. Step 2: Convert to fraction form
    108,064.52/149,129.22 = 60,317.88/x
  3. Step 3: Cross multiply
    108,064.52x = 149,129.22 × 60,317.88
  4. Step 4: Simplify right side
    108,064.52x = 8,995,158,396.45
  5. Step 5: Solve for x
    x = 8,995,158,396.45/108,064.52
  6. Step 6: Final answer
    x = 83,238.78

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