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Finding the Fourth Proportional to 100,553.20, 150,829.80 and 41,369.20

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Solution

The fourth proportional to 100,553.20, 150,829.80 and 41,369.20 is: 62,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,553.20 : 150,829.80 = 41,369.20 : x
  2. Step 2: Convert to fraction form
    100,553.20/150,829.80 = 41,369.20/x
  3. Step 3: Cross multiply
    100,553.20x = 150,829.80 × 41,369.20
  4. Step 4: Simplify right side
    100,553.20x = 6,239,708,162.16
  5. Step 5: Solve for x
    x = 6,239,708,162.16/100,553.20
  6. Step 6: Final answer
    x = 62,053.80

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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.