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Finding the Fourth Proportional to 324,796.44, 487,137.24 and 88,157.64

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Solution

The fourth proportional to 324,796.44, 487,137.24 and 88,157.64 is: 132,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,796.44 : 487,137.24 = 88,157.64 : x
  2. Step 2: Convert to fraction form
    324,796.44/487,137.24 = 88,157.64/x
  3. Step 3: Cross multiply
    324,796.44x = 487,137.24 × 88,157.64
  4. Step 4: Simplify right side
    324,796.44x = 42,944,869,434.51
  5. Step 5: Solve for x
    x = 42,944,869,434.51/324,796.44
  6. Step 6: Final answer
    x = 132,220.87

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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.