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Finding the Fourth Proportional to 100,705.68, 150,960 and 41,591.16

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Solution

The fourth proportional to 100,705.68, 150,960 and 41,591.16 is: 62,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,705.68 : 150,960 = 41,591.16 : x
  2. Step 2: Convert to fraction form
    100,705.68/150,960 = 41,591.16/x
  3. Step 3: Cross multiply
    100,705.68x = 150,960 × 41,591.16
  4. Step 4: Simplify right side
    100,705.68x = 6,278,601,513.60
  5. Step 5: Solve for x
    x = 6,278,601,513.60/100,705.68
  6. Step 6: Final answer
    x = 62,346.05

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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.