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Finding the Fourth Proportional to 204,390.52, 306,199.98 and 104,613.94

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Solution

The fourth proportional to 204,390.52, 306,199.98 and 104,613.94 is: 156,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,390.52 : 306,199.98 = 104,613.94 : x
  2. Step 2: Convert to fraction form
    204,390.52/306,199.98 = 104,613.94/x
  3. Step 3: Cross multiply
    204,390.52x = 306,199.98 × 104,613.94
  4. Step 4: Simplify right side
    204,390.52x = 32,032,786,335.72
  5. Step 5: Solve for x
    x = 32,032,786,335.72/204,390.52
  6. Step 6: Final answer
    x = 156,723.44

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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.