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Finding the Fourth Proportional to 100,295.92, 150,679.04 and 94,621.57

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Solution

The fourth proportional to 100,295.92, 150,679.04 and 94,621.57 is: 142,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,295.92 : 150,679.04 = 94,621.57 : x
  2. Step 2: Convert to fraction form
    100,295.92/150,679.04 = 94,621.57/x
  3. Step 3: Cross multiply
    100,295.92x = 150,679.04 × 94,621.57
  4. Step 4: Simplify right side
    100,295.92x = 14,257,486,481.09
  5. Step 5: Solve for x
    x = 14,257,486,481.09/100,295.92
  6. Step 6: Final answer
    x = 142,154.20

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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.