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Finding the Fourth Proportional to 159,850.32, 220,593 and 88,229.88

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Solution

The fourth proportional to 159,850.32, 220,593 and 88,229.88 is: 121,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,850.32 : 220,593 = 88,229.88 : x
  2. Step 2: Convert to fraction form
    159,850.32/220,593 = 88,229.88/x
  3. Step 3: Cross multiply
    159,850.32x = 220,593 × 88,229.88
  4. Step 4: Simplify right side
    159,850.32x = 19,462,893,918.84
  5. Step 5: Solve for x
    x = 19,462,893,918.84/159,850.32
  6. Step 6: Final answer
    x = 121,756.99

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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.