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Finding the Fourth Proportional to 100,292.97, 150,338.15 and 62,879.31

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Solution

The fourth proportional to 100,292.97, 150,338.15 and 62,879.31 is: 94,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,292.97 : 150,338.15 = 62,879.31 : x
  2. Step 2: Convert to fraction form
    100,292.97/150,338.15 = 62,879.31/x
  3. Step 3: Cross multiply
    100,292.97x = 150,338.15 × 62,879.31
  4. Step 4: Simplify right side
    100,292.97x = 9,453,158,824.28
  5. Step 5: Solve for x
    x = 9,453,158,824.28/100,292.97
  6. Step 6: Final answer
    x = 94,255.45

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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.