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Finding the Fourth Proportional to 161,367.58, 222,695.49 and 89,749

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Solution

The fourth proportional to 161,367.58, 222,695.49 and 89,749 is: 123,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.58 : 222,695.49 = 89,749 : x
  2. Step 2: Convert to fraction form
    161,367.58/222,695.49 = 89,749/x
  3. Step 3: Cross multiply
    161,367.58x = 222,695.49 × 89,749
  4. Step 4: Simplify right side
    161,367.58x = 19,986,697,532.01
  5. Step 5: Solve for x
    x = 19,986,697,532.01/161,367.58
  6. Step 6: Final answer
    x = 123,858.20

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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.