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Finding the Fourth Proportional to 160,020.53, 220,825.14 and 88,399.88

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Solution

The fourth proportional to 160,020.53, 220,825.14 and 88,399.88 is: 121,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,020.53 : 220,825.14 = 88,399.88 : x
  2. Step 2: Convert to fraction form
    160,020.53/220,825.14 = 88,399.88/x
  3. Step 3: Cross multiply
    160,020.53x = 220,825.14 × 88,399.88
  4. Step 4: Simplify right side
    160,020.53x = 19,520,914,772.86
  5. Step 5: Solve for x
    x = 19,520,914,772.86/160,020.53
  6. Step 6: Final answer
    x = 121,990.07

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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.