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Finding the Fourth Proportional to 100,355.68, 150,537.68 and 41,149.60

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Solution

The fourth proportional to 100,355.68, 150,537.68 and 41,149.60 is: 61,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,355.68 : 150,537.68 = 41,149.60 : x
  2. Step 2: Convert to fraction form
    100,355.68/150,537.68 = 41,149.60/x
  3. Step 3: Cross multiply
    100,355.68x = 150,537.68 × 41,149.60
  4. Step 4: Simplify right side
    100,355.68x = 6,194,565,316.93
  5. Step 5: Solve for x
    x = 6,194,565,316.93/100,355.68
  6. Step 6: Final answer
    x = 61,726.11

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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.