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Finding the Fourth Proportional to 108,045, 149,117.12 and 60,301.42

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Solution

The fourth proportional to 108,045, 149,117.12 and 60,301.42 is: 83,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,045 : 149,117.12 = 60,301.42 : x
  2. Step 2: Convert to fraction form
    108,045/149,117.12 = 60,301.42/x
  3. Step 3: Cross multiply
    108,045x = 149,117.12 × 60,301.42
  4. Step 4: Simplify right side
    108,045x = 8,991,974,082.31
  5. Step 5: Solve for x
    x = 8,991,974,082.31/108,045
  6. Step 6: Final answer
    x = 83,224.34

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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.