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Finding the Fourth Proportional to 144,041.84, 198,767.68 and 80,375.84

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Solution

The fourth proportional to 144,041.84, 198,767.68 and 80,375.84 is: 110,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,041.84 : 198,767.68 = 80,375.84 : x
  2. Step 2: Convert to fraction form
    144,041.84/198,767.68 = 80,375.84/x
  3. Step 3: Cross multiply
    144,041.84x = 198,767.68 × 80,375.84
  4. Step 4: Simplify right side
    144,041.84x = 15,976,119,244.85
  5. Step 5: Solve for x
    x = 15,976,119,244.85/144,041.84
  6. Step 6: Final answer
    x = 110,913.05

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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.