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Finding the Fourth Proportional to 80,605.32, 111,233.12 and 44,794.42

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Solution

The fourth proportional to 80,605.32, 111,233.12 and 44,794.42 is: 61,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,605.32 : 111,233.12 = 44,794.42 : x
  2. Step 2: Convert to fraction form
    80,605.32/111,233.12 = 44,794.42/x
  3. Step 3: Cross multiply
    80,605.32x = 111,233.12 × 44,794.42
  4. Step 4: Simplify right side
    80,605.32x = 4,982,623,095.19
  5. Step 5: Solve for x
    x = 4,982,623,095.19/80,605.32
  6. Step 6: Final answer
    x = 61,815.07

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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.