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Finding the Fourth Proportional to 220,613.79, 330,877.10 and 60,648.44

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Solution

The fourth proportional to 220,613.79, 330,877.10 and 60,648.44 is: 90,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,613.79 : 330,877.10 = 60,648.44 : x
  2. Step 2: Convert to fraction form
    220,613.79/330,877.10 = 60,648.44/x
  3. Step 3: Cross multiply
    220,613.79x = 330,877.10 × 60,648.44
  4. Step 4: Simplify right side
    220,613.79x = 20,067,179,374.55
  5. Step 5: Solve for x
    x = 20,067,179,374.55/220,613.79
  6. Step 6: Final answer
    x = 90,960.68

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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.