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Finding the Fourth Proportional to 324,797.44, 487,138.74 and 88,158.64

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Solution

The fourth proportional to 324,797.44, 487,138.74 and 88,158.64 is: 132,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,797.44 : 487,138.74 = 88,158.64 : x
  2. Step 2: Convert to fraction form
    324,797.44/487,138.74 = 88,158.64/x
  3. Step 3: Cross multiply
    324,797.44x = 487,138.74 × 88,158.64
  4. Step 4: Simplify right side
    324,797.44x = 42,945,488,809.71
  5. Step 5: Solve for x
    x = 42,945,488,809.71/324,797.44
  6. Step 6: Final answer
    x = 132,222.37

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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.