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Finding the Fourth Proportional to 173,902.77, 239,978.97 and 98,451.27

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Solution

The fourth proportional to 173,902.77, 239,978.97 and 98,451.27 is: 135,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,902.77 : 239,978.97 = 98,451.27 : x
  2. Step 2: Convert to fraction form
    173,902.77/239,978.97 = 98,451.27/x
  3. Step 3: Cross multiply
    173,902.77x = 239,978.97 × 98,451.27
  4. Step 4: Simplify right side
    173,902.77x = 23,626,234,369.79
  5. Step 5: Solve for x
    x = 23,626,234,369.79/173,902.77
  6. Step 6: Final answer
    x = 135,858.87

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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.