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Finding the Fourth Proportional to 108,062.20, 149,119.75 and 60,318.62

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Solution

The fourth proportional to 108,062.20, 149,119.75 and 60,318.62 is: 83,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,062.20 : 149,119.75 = 60,318.62 : x
  2. Step 2: Convert to fraction form
    108,062.20/149,119.75 = 60,318.62/x
  3. Step 3: Cross multiply
    108,062.20x = 149,119.75 × 60,318.62
  4. Step 4: Simplify right side
    108,062.20x = 8,994,697,534.75
  5. Step 5: Solve for x
    x = 8,994,697,534.75/108,062.20
  6. Step 6: Final answer
    x = 83,236.30

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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.