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Finding the Fourth Proportional to 268,451.91, 402,698.48 and 88,467.33

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Solution

The fourth proportional to 268,451.91, 402,698.48 and 88,467.33 is: 132,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,451.91 : 402,698.48 = 88,467.33 : x
  2. Step 2: Convert to fraction form
    268,451.91/402,698.48 = 88,467.33/x
  3. Step 3: Cross multiply
    268,451.91x = 402,698.48 × 88,467.33
  4. Step 4: Simplify right side
    268,451.91x = 35,625,659,320.66
  5. Step 5: Solve for x
    x = 35,625,659,320.66/268,451.91
  6. Step 6: Final answer
    x = 132,707.79

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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.