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Finding the Fourth Proportional to 89,218.20, 133,737.30 and 33,022.20

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Solution

The fourth proportional to 89,218.20, 133,737.30 and 33,022.20 is: 49,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.20 : 133,737.30 = 33,022.20 : x
  2. Step 2: Convert to fraction form
    89,218.20/133,737.30 = 33,022.20/x
  3. Step 3: Cross multiply
    89,218.20x = 133,737.30 × 33,022.20
  4. Step 4: Simplify right side
    89,218.20x = 4,416,299,868.06
  5. Step 5: Solve for x
    x = 4,416,299,868.06/89,218.20
  6. Step 6: Final answer
    x = 49,499.99

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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.