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Finding the Fourth Proportional to 108,285.44, 149,437.20 and 60,540.80

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Solution

The fourth proportional to 108,285.44, 149,437.20 and 60,540.80 is: 83,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.44 : 149,437.20 = 60,540.80 : x
  2. Step 2: Convert to fraction form
    108,285.44/149,437.20 = 60,540.80/x
  3. Step 3: Cross multiply
    108,285.44x = 149,437.20 × 60,540.80
  4. Step 4: Simplify right side
    108,285.44x = 9,047,047,637.76
  5. Step 5: Solve for x
    x = 9,047,047,637.76/108,285.44
  6. Step 6: Final answer
    x = 83,548.14

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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.