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Finding the Fourth Proportional to 72,202.74, 108,314.10 and 22,286.76

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Solution

The fourth proportional to 72,202.74, 108,314.10 and 22,286.76 is: 33,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,202.74 : 108,314.10 = 22,286.76 : x
  2. Step 2: Convert to fraction form
    72,202.74/108,314.10 = 22,286.76/x
  3. Step 3: Cross multiply
    72,202.74x = 108,314.10 × 22,286.76
  4. Step 4: Simplify right side
    72,202.74x = 2,413,970,351.32
  5. Step 5: Solve for x
    x = 2,413,970,351.32/72,202.74
  6. Step 6: Final answer
    x = 33,433.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.