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Finding the Fourth Proportional to 160,889.88, 222,025.18 and 89,268.66

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Solution

The fourth proportional to 160,889.88, 222,025.18 and 89,268.66 is: 123,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,889.88 : 222,025.18 = 89,268.66 : x
  2. Step 2: Convert to fraction form
    160,889.88/222,025.18 = 89,268.66/x
  3. Step 3: Cross multiply
    160,889.88x = 222,025.18 × 89,268.66
  4. Step 4: Simplify right side
    160,889.88x = 19,819,890,304.86
  5. Step 5: Solve for x
    x = 19,819,890,304.86/160,889.88
  6. Step 6: Final answer
    x = 123,189.17

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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.