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Finding the Fourth Proportional to 100,524.17, 150,786.31 and 63,110.52

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Solution

The fourth proportional to 100,524.17, 150,786.31 and 63,110.52 is: 94,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524.17 : 150,786.31 = 63,110.52 : x
  2. Step 2: Convert to fraction form
    100,524.17/150,786.31 = 63,110.52/x
  3. Step 3: Cross multiply
    100,524.17x = 150,786.31 × 63,110.52
  4. Step 4: Simplify right side
    100,524.17x = 9,516,202,432.98
  5. Step 5: Solve for x
    x = 9,516,202,432.98/100,524.17
  6. Step 6: Final answer
    x = 94,665.81

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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.