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Finding the Fourth Proportional to 160,881.54, 222,006.87 and 89,257.29

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Solution

The fourth proportional to 160,881.54, 222,006.87 and 89,257.29 is: 123,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,881.54 : 222,006.87 = 89,257.29 : x
  2. Step 2: Convert to fraction form
    160,881.54/222,006.87 = 89,257.29/x
  3. Step 3: Cross multiply
    160,881.54x = 222,006.87 × 89,257.29
  4. Step 4: Simplify right side
    160,881.54x = 19,815,731,577.58
  5. Step 5: Solve for x
    x = 19,815,731,577.58/160,881.54
  6. Step 6: Final answer
    x = 123,169.70

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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.