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Finding the Fourth Proportional to 228,404.33, 342,656.85 and 68,473.88

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Solution

The fourth proportional to 228,404.33, 342,656.85 and 68,473.88 is: 102,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,404.33 : 342,656.85 = 68,473.88 : x
  2. Step 2: Convert to fraction form
    228,404.33/342,656.85 = 68,473.88/x
  3. Step 3: Cross multiply
    228,404.33x = 342,656.85 × 68,473.88
  4. Step 4: Simplify right side
    228,404.33x = 23,463,044,028.08
  5. Step 5: Solve for x
    x = 23,463,044,028.08/228,404.33
  6. Step 6: Final answer
    x = 102,725.92

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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.