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Finding the Fourth Proportional to 100,659.38, 150,933.18 and 41,535.06

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Solution

The fourth proportional to 100,659.38, 150,933.18 and 41,535.06 is: 62,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,659.38 : 150,933.18 = 41,535.06 : x
  2. Step 2: Convert to fraction form
    100,659.38/150,933.18 = 41,535.06/x
  3. Step 3: Cross multiply
    100,659.38x = 150,933.18 × 41,535.06
  4. Step 4: Simplify right side
    100,659.38x = 6,269,018,687.29
  5. Step 5: Solve for x
    x = 6,269,018,687.29/100,659.38
  6. Step 6: Final answer
    x = 62,279.53

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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.