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Finding the Fourth Proportional to 173,896.56, 239,986.17 and 97,411.05

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Solution

The fourth proportional to 173,896.56, 239,986.17 and 97,411.05 is: 134,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,896.56 : 239,986.17 = 97,411.05 : x
  2. Step 2: Convert to fraction form
    173,896.56/239,986.17 = 97,411.05/x
  3. Step 3: Cross multiply
    173,896.56x = 239,986.17 × 97,411.05
  4. Step 4: Simplify right side
    173,896.56x = 23,377,304,805.18
  5. Step 5: Solve for x
    x = 23,377,304,805.18/173,896.56
  6. Step 6: Final answer
    x = 134,432.24

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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.