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Finding the Fourth Proportional to 99,791.49, 149,711.16 and 33,232.20

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Solution

The fourth proportional to 99,791.49, 149,711.16 and 33,232.20 is: 49,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,791.49 : 149,711.16 = 33,232.20 : x
  2. Step 2: Convert to fraction form
    99,791.49/149,711.16 = 33,232.20/x
  3. Step 3: Cross multiply
    99,791.49x = 149,711.16 × 33,232.20
  4. Step 4: Simplify right side
    99,791.49x = 4,975,231,102.15
  5. Step 5: Solve for x
    x = 4,975,231,102.15/99,791.49
  6. Step 6: Final answer
    x = 49,856.26

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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.