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Finding the Fourth Proportional to 141,367.68, 195,100.84 and 80,943.12

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Solution

The fourth proportional to 141,367.68, 195,100.84 and 80,943.12 is: 111,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,367.68 : 195,100.84 = 80,943.12 : x
  2. Step 2: Convert to fraction form
    141,367.68/195,100.84 = 80,943.12/x
  3. Step 3: Cross multiply
    141,367.68x = 195,100.84 × 80,943.12
  4. Step 4: Simplify right side
    141,367.68x = 15,792,070,704.22
  5. Step 5: Solve for x
    x = 15,792,070,704.22/141,367.68
  6. Step 6: Final answer
    x = 111,709.20

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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.