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Finding the Fourth Proportional to 160,843.44, 241,019.13 and 85,974.24

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Solution

The fourth proportional to 160,843.44, 241,019.13 and 85,974.24 is: 128,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,843.44 : 241,019.13 = 85,974.24 : x
  2. Step 2: Convert to fraction form
    160,843.44/241,019.13 = 85,974.24/x
  3. Step 3: Cross multiply
    160,843.44x = 241,019.13 × 85,974.24
  4. Step 4: Simplify right side
    160,843.44x = 20,721,436,527.21
  5. Step 5: Solve for x
    x = 20,721,436,527.21/160,843.44
  6. Step 6: Final answer
    x = 128,829.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.