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Finding the Fourth Proportional to 99,366.70, 149,049.90 and 40,202.83

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Solution

The fourth proportional to 99,366.70, 149,049.90 and 40,202.83 is: 60,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,366.70 : 149,049.90 = 40,202.83 : x
  2. Step 2: Convert to fraction form
    99,366.70/149,049.90 = 40,202.83/x
  3. Step 3: Cross multiply
    99,366.70x = 149,049.90 × 40,202.83
  4. Step 4: Simplify right side
    99,366.70x = 5,992,227,791.22
  5. Step 5: Solve for x
    x = 5,992,227,791.22/99,366.70
  6. Step 6: Final answer
    x = 60,304.18

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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.