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Finding the Fourth Proportional to 100,358.57, 150,534.97 and 37,177.29

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Solution

The fourth proportional to 100,358.57, 150,534.97 and 37,177.29 is: 55,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,358.57 : 150,534.97 = 37,177.29 : x
  2. Step 2: Convert to fraction form
    100,358.57/150,534.97 = 37,177.29/x
  3. Step 3: Cross multiply
    100,358.57x = 150,534.97 × 37,177.29
  4. Step 4: Simplify right side
    100,358.57x = 5,596,482,405.86
  5. Step 5: Solve for x
    x = 5,596,482,405.86/100,358.57
  6. Step 6: Final answer
    x = 55,764.87

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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.