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Finding the Fourth Proportional to 144,121.84, 198,882.84 and 80,462.32

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Solution

The fourth proportional to 144,121.84, 198,882.84 and 80,462.32 is: 111,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,121.84 : 198,882.84 = 80,462.32 : x
  2. Step 2: Convert to fraction form
    144,121.84/198,882.84 = 80,462.32/x
  3. Step 3: Cross multiply
    144,121.84x = 198,882.84 × 80,462.32
  4. Step 4: Simplify right side
    144,121.84x = 16,002,574,714.59
  5. Step 5: Solve for x
    x = 16,002,574,714.59/144,121.84
  6. Step 6: Final answer
    x = 111,035.04

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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.