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Finding the Fourth Proportional to 68,404.59, 102,606.35 and 36,829.44

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Solution

The fourth proportional to 68,404.59, 102,606.35 and 36,829.44 is: 55,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,404.59 : 102,606.35 = 36,829.44 : x
  2. Step 2: Convert to fraction form
    68,404.59/102,606.35 = 36,829.44/x
  3. Step 3: Cross multiply
    68,404.59x = 102,606.35 × 36,829.44
  4. Step 4: Simplify right side
    68,404.59x = 3,778,934,226.80
  5. Step 5: Solve for x
    x = 3,778,934,226.80/68,404.59
  6. Step 6: Final answer
    x = 55,243.87

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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.