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Finding the Fourth Proportional to 161,251.52, 222,529.75 and 88,657.47

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Solution

The fourth proportional to 161,251.52, 222,529.75 and 88,657.47 is: 122,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,251.52 : 222,529.75 = 88,657.47 : x
  2. Step 2: Convert to fraction form
    161,251.52/222,529.75 = 88,657.47/x
  3. Step 3: Cross multiply
    161,251.52x = 222,529.75 × 88,657.47
  4. Step 4: Simplify right side
    161,251.52x = 19,728,924,413.09
  5. Step 5: Solve for x
    x = 19,728,924,413.09/161,251.52
  6. Step 6: Final answer
    x = 122,348.77

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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.