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Finding the Fourth Proportional to 324,680.56, 487,019.22 and 88,022.86

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Solution

The fourth proportional to 324,680.56, 487,019.22 and 88,022.86 is: 132,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,680.56 : 487,019.22 = 88,022.86 : x
  2. Step 2: Convert to fraction form
    324,680.56/487,019.22 = 88,022.86/x
  3. Step 3: Cross multiply
    324,680.56x = 487,019.22 × 88,022.86
  4. Step 4: Simplify right side
    324,680.56x = 42,868,824,619.37
  5. Step 5: Solve for x
    x = 42,868,824,619.37/324,680.56
  6. Step 6: Final answer
    x = 132,033.85

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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.