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Finding the Fourth Proportional to 108,250.56, 149,376 and 60,497.28

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Solution

The fourth proportional to 108,250.56, 149,376 and 60,497.28 is: 83,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,250.56 : 149,376 = 60,497.28 : x
  2. Step 2: Convert to fraction form
    108,250.56/149,376 = 60,497.28/x
  3. Step 3: Cross multiply
    108,250.56x = 149,376 × 60,497.28
  4. Step 4: Simplify right side
    108,250.56x = 9,036,841,697.28
  5. Step 5: Solve for x
    x = 9,036,841,697.28/108,250.56
  6. Step 6: Final answer
    x = 83,480.78

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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.