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Finding the Fourth Proportional to 80,015.67, 110,421.27 and 44,205.71

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Solution

The fourth proportional to 80,015.67, 110,421.27 and 44,205.71 is: 61,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,015.67 : 110,421.27 = 44,205.71 : x
  2. Step 2: Convert to fraction form
    80,015.67/110,421.27 = 44,205.71/x
  3. Step 3: Cross multiply
    80,015.67x = 110,421.27 × 44,205.71
  4. Step 4: Simplify right side
    80,015.67x = 4,881,250,087.35
  5. Step 5: Solve for x
    x = 4,881,250,087.35/80,015.67
  6. Step 6: Final answer
    x = 61,003.68

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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.