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Finding the Fourth Proportional to 99,793.28, 149,696.24 and 40,596.56

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Solution

The fourth proportional to 99,793.28, 149,696.24 and 40,596.56 is: 60,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793.28 : 149,696.24 = 40,596.56 : x
  2. Step 2: Convert to fraction form
    99,793.28/149,696.24 = 40,596.56/x
  3. Step 3: Cross multiply
    99,793.28x = 149,696.24 × 40,596.56
  4. Step 4: Simplify right side
    99,793.28x = 6,077,152,388.93
  5. Step 5: Solve for x
    x = 6,077,152,388.93/99,793.28
  6. Step 6: Final answer
    x = 60,897.41

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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.