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Finding the Fourth Proportional to 80,196.30, 110,667.87 and 43,898.58

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Solution

The fourth proportional to 80,196.30, 110,667.87 and 43,898.58 is: 60,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,196.30 : 110,667.87 = 43,898.58 : x
  2. Step 2: Convert to fraction form
    80,196.30/110,667.87 = 43,898.58/x
  3. Step 3: Cross multiply
    80,196.30x = 110,667.87 × 43,898.58
  4. Step 4: Simplify right side
    80,196.30x = 4,858,162,344.62
  5. Step 5: Solve for x
    x = 4,858,162,344.62/80,196.30
  6. Step 6: Final answer
    x = 60,578.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.