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Finding the Fourth Proportional to 220,625.60, 330,883.72 and 62,855.42

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Solution

The fourth proportional to 220,625.60, 330,883.72 and 62,855.42 is: 94,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,625.60 : 330,883.72 = 62,855.42 : x
  2. Step 2: Convert to fraction form
    220,625.60/330,883.72 = 62,855.42/x
  3. Step 3: Cross multiply
    220,625.60x = 330,883.72 × 62,855.42
  4. Step 4: Simplify right side
    220,625.60x = 20,797,833,380.21
  5. Step 5: Solve for x
    x = 20,797,833,380.21/220,625.60
  6. Step 6: Final answer
    x = 94,267.55

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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.