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Finding the Fourth Proportional to 80,765.80, 111,456.79 and 44,955.05

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Solution

The fourth proportional to 80,765.80, 111,456.79 and 44,955.05 is: 62,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,765.80 : 111,456.79 = 44,955.05 : x
  2. Step 2: Convert to fraction form
    80,765.80/111,456.79 = 44,955.05/x
  3. Step 3: Cross multiply
    80,765.80x = 111,456.79 × 44,955.05
  4. Step 4: Simplify right side
    80,765.80x = 5,010,544,897.62
  5. Step 5: Solve for x
    x = 5,010,544,897.62/80,765.80
  6. Step 6: Final answer
    x = 62,037.95

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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.