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Finding the Fourth Proportional to 108,232.73, 149,361.71 and 60,486.87

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Solution

The fourth proportional to 108,232.73, 149,361.71 and 60,486.87 is: 83,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,232.73 : 149,361.71 = 60,486.87 : x
  2. Step 2: Convert to fraction form
    108,232.73/149,361.71 = 60,486.87/x
  3. Step 3: Cross multiply
    108,232.73x = 149,361.71 × 60,486.87
  4. Step 4: Simplify right side
    108,232.73x = 9,034,422,335.75
  5. Step 5: Solve for x
    x = 9,034,422,335.75/108,232.73
  6. Step 6: Final answer
    x = 83,472.18

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Why These Related Problems?

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