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Finding the Fourth Proportional to 80,380.62, 110,934.38 and 46,398.22

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Solution

The fourth proportional to 80,380.62, 110,934.38 and 46,398.22 is: 64,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.62 : 110,934.38 = 46,398.22 : x
  2. Step 2: Convert to fraction form
    80,380.62/110,934.38 = 46,398.22/x
  3. Step 3: Cross multiply
    80,380.62x = 110,934.38 × 46,398.22
  4. Step 4: Simplify right side
    80,380.62x = 5,147,157,607.46
  5. Step 5: Solve for x
    x = 5,147,157,607.46/80,380.62
  6. Step 6: Final answer
    x = 64,034.81

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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.