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Finding the Fourth Proportional to 67,141.44, 100,644.93 and 32,105.70

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Solution

The fourth proportional to 67,141.44, 100,644.93 and 32,105.70 is: 48,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,141.44 : 100,644.93 = 32,105.70 : x
  2. Step 2: Convert to fraction form
    67,141.44/100,644.93 = 32,105.70/x
  3. Step 3: Cross multiply
    67,141.44x = 100,644.93 × 32,105.70
  4. Step 4: Simplify right side
    67,141.44x = 3,231,275,929.10
  5. Step 5: Solve for x
    x = 3,231,275,929.10/67,141.44
  6. Step 6: Final answer
    x = 48,126.40

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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.