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Finding the Fourth Proportional to 324,826.88, 487,232.10 and 88,163.42

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Solution

The fourth proportional to 324,826.88, 487,232.10 and 88,163.42 is: 132,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,826.88 : 487,232.10 = 88,163.42 : x
  2. Step 2: Convert to fraction form
    324,826.88/487,232.10 = 88,163.42/x
  3. Step 3: Cross multiply
    324,826.88x = 487,232.10 × 88,163.42
  4. Step 4: Simplify right side
    324,826.88x = 42,956,045,833.62
  5. Step 5: Solve for x
    x = 42,956,045,833.62/324,826.88
  6. Step 6: Final answer
    x = 132,242.89

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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.