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Finding the Fourth Proportional to 89,217.70, 133,736.55 and 33,021.70

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Solution

The fourth proportional to 89,217.70, 133,736.55 and 33,021.70 is: 49,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,217.70 : 133,736.55 = 33,021.70 : x
  2. Step 2: Convert to fraction form
    89,217.70/133,736.55 = 33,021.70/x
  3. Step 3: Cross multiply
    89,217.70x = 133,736.55 × 33,021.70
  4. Step 4: Simplify right side
    89,217.70x = 4,416,208,233.14
  5. Step 5: Solve for x
    x = 4,416,208,233.14/89,217.70
  6. Step 6: Final answer
    x = 49,499.24

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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.