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Finding the Fourth Proportional to 80,691.58, 111,361.13 and 44,888.37

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Solution

The fourth proportional to 80,691.58, 111,361.13 and 44,888.37 is: 61,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,691.58 : 111,361.13 = 44,888.37 : x
  2. Step 2: Convert to fraction form
    80,691.58/111,361.13 = 44,888.37/x
  3. Step 3: Cross multiply
    80,691.58x = 111,361.13 × 44,888.37
  4. Step 4: Simplify right side
    80,691.58x = 4,998,819,607.06
  5. Step 5: Solve for x
    x = 4,998,819,607.06/80,691.58
  6. Step 6: Final answer
    x = 61,949.71

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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.