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Finding the Fourth Proportional to 324,822.60, 487,233.66 and 88,200

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Solution

The fourth proportional to 324,822.60, 487,233.66 and 88,200 is: 132,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,822.60 : 487,233.66 = 88,200 : x
  2. Step 2: Convert to fraction form
    324,822.60/487,233.66 = 88,200/x
  3. Step 3: Cross multiply
    324,822.60x = 487,233.66 × 88,200
  4. Step 4: Simplify right side
    324,822.60x = 42,974,008,812
  5. Step 5: Solve for x
    x = 42,974,008,812/324,822.60
  6. Step 6: Final answer
    x = 132,299.93

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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.