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Finding the Fourth Proportional to 100,309.14, 150,279.21 and 62,862.21

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Solution

The fourth proportional to 100,309.14, 150,279.21 and 62,862.21 is: 94,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,309.14 : 150,279.21 = 62,862.21 : x
  2. Step 2: Convert to fraction form
    100,309.14/150,279.21 = 62,862.21/x
  3. Step 3: Cross multiply
    100,309.14x = 150,279.21 × 62,862.21
  4. Step 4: Simplify right side
    100,309.14x = 9,446,883,257.65
  5. Step 5: Solve for x
    x = 9,446,883,257.65/100,309.14
  6. Step 6: Final answer
    x = 94,177.69

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1.5x scale

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.