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Finding the Fourth Proportional to 173,680.73, 239,724.47 and 98,272.97

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Solution

The fourth proportional to 173,680.73, 239,724.47 and 98,272.97 is: 135,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,680.73 : 239,724.47 = 98,272.97 : x
  2. Step 2: Convert to fraction form
    173,680.73/239,724.47 = 98,272.97/x
  3. Step 3: Cross multiply
    173,680.73x = 239,724.47 × 98,272.97
  4. Step 4: Simplify right side
    173,680.73x = 23,558,435,157.21
  5. Step 5: Solve for x
    x = 23,558,435,157.21/173,680.73
  6. Step 6: Final answer
    x = 135,642.19

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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.