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Finding the Fourth Proportional to 131,049.78, 196,574.64 and 32,553.78

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Solution

The fourth proportional to 131,049.78, 196,574.64 and 32,553.78 is: 48,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,049.78 : 196,574.64 = 32,553.78 : x
  2. Step 2: Convert to fraction form
    131,049.78/196,574.64 = 32,553.78/x
  3. Step 3: Cross multiply
    131,049.78x = 196,574.64 × 32,553.78
  4. Step 4: Simplify right side
    131,049.78x = 6,399,247,584.14
  5. Step 5: Solve for x
    x = 6,399,247,584.14/131,049.78
  6. Step 6: Final answer
    x = 48,830.66

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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.