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Finding the Fourth Proportional to 159,967.88, 220,757.46 and 88,346.24

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Solution

The fourth proportional to 159,967.88, 220,757.46 and 88,346.24 is: 121,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,967.88 : 220,757.46 = 88,346.24 : x
  2. Step 2: Convert to fraction form
    159,967.88/220,757.46 = 88,346.24/x
  3. Step 3: Cross multiply
    159,967.88x = 220,757.46 × 88,346.24
  4. Step 4: Simplify right side
    159,967.88x = 19,503,091,542.95
  5. Step 5: Solve for x
    x = 19,503,091,542.95/159,967.88
  6. Step 6: Final answer
    x = 121,918.80

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1.5x scale

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.