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Finding the Fourth Proportional to 108,073.84, 149,142 and 60,327.12

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Solution

The fourth proportional to 108,073.84, 149,142 and 60,327.12 is: 83,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,073.84 : 149,142 = 60,327.12 : x
  2. Step 2: Convert to fraction form
    108,073.84/149,142 = 60,327.12/x
  3. Step 3: Cross multiply
    108,073.84x = 149,142 × 60,327.12
  4. Step 4: Simplify right side
    108,073.84x = 8,997,307,331.04
  5. Step 5: Solve for x
    x = 8,997,307,331.04/108,073.84
  6. Step 6: Final answer
    x = 83,251.48

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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.