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Finding the Fourth Proportional to 86,193.52, 129,265.02 and 33,590.44

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Solution

The fourth proportional to 86,193.52, 129,265.02 and 33,590.44 is: 50,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193.52 : 129,265.02 = 33,590.44 : x
  2. Step 2: Convert to fraction form
    86,193.52/129,265.02 = 33,590.44/x
  3. Step 3: Cross multiply
    86,193.52x = 129,265.02 × 33,590.44
  4. Step 4: Simplify right side
    86,193.52x = 4,342,068,898.41
  5. Step 5: Solve for x
    x = 4,342,068,898.41/86,193.52
  6. Step 6: Final answer
    x = 50,375.82

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1.5x scale

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.