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Finding the Fourth Proportional to 80,660.60, 111,311.24 and 44,848.48

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Solution

The fourth proportional to 80,660.60, 111,311.24 and 44,848.48 is: 61,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,660.60 : 111,311.24 = 44,848.48 : x
  2. Step 2: Convert to fraction form
    80,660.60/111,311.24 = 44,848.48/x
  3. Step 3: Cross multiply
    80,660.60x = 111,311.24 × 44,848.48
  4. Step 4: Simplify right side
    80,660.60x = 4,992,139,920.92
  5. Step 5: Solve for x
    x = 4,992,139,920.92/80,660.60
  6. Step 6: Final answer
    x = 61,890.69

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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.