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Finding the Fourth Proportional to 161,304.22, 222,587.16 and 89,679.88

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Solution

The fourth proportional to 161,304.22, 222,587.16 and 89,679.88 is: 123,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,304.22 : 222,587.16 = 89,679.88 : x
  2. Step 2: Convert to fraction form
    161,304.22/222,587.16 = 89,679.88/x
  3. Step 3: Cross multiply
    161,304.22x = 222,587.16 × 89,679.88
  4. Step 4: Simplify right side
    161,304.22x = 19,961,589,798.34
  5. Step 5: Solve for x
    x = 19,961,589,798.34/161,304.22
  6. Step 6: Final answer
    x = 123,751.19

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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.