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Finding the Fourth Proportional to 108,191.53, 149,301.56 and 60,445.24

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Solution

The fourth proportional to 108,191.53, 149,301.56 and 60,445.24 is: 83,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,191.53 : 149,301.56 = 60,445.24 : x
  2. Step 2: Convert to fraction form
    108,191.53/149,301.56 = 60,445.24/x
  3. Step 3: Cross multiply
    108,191.53x = 149,301.56 × 60,445.24
  4. Step 4: Simplify right side
    108,191.53x = 9,024,568,404.43
  5. Step 5: Solve for x
    x = 9,024,568,404.43/108,191.53
  6. Step 6: Final answer
    x = 83,412.89

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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.