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Finding the Fourth Proportional to 80,609.58, 111,228.80 and 44,799.48

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Solution

The fourth proportional to 80,609.58, 111,228.80 and 44,799.48 is: 61,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,609.58 : 111,228.80 = 44,799.48 : x
  2. Step 2: Convert to fraction form
    80,609.58/111,228.80 = 44,799.48/x
  3. Step 3: Cross multiply
    80,609.58x = 111,228.80 × 44,799.48
  4. Step 4: Simplify right side
    80,609.58x = 4,982,992,177.03
  5. Step 5: Solve for x
    x = 4,982,992,177.03/80,609.58
  6. Step 6: Final answer
    x = 61,816.38

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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.