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Finding the Fourth Proportional to 92,034.33, 137,968.46 and 63,967.61

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Solution

The fourth proportional to 92,034.33, 137,968.46 and 63,967.61 is: 95,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.33 : 137,968.46 = 63,967.61 : x
  2. Step 2: Convert to fraction form
    92,034.33/137,968.46 = 63,967.61/x
  3. Step 3: Cross multiply
    92,034.33x = 137,968.46 × 63,967.61
  4. Step 4: Simplify right side
    92,034.33x = 8,825,511,631.90
  5. Step 5: Solve for x
    x = 8,825,511,631.90/92,034.33
  6. Step 6: Final answer
    x = 95,893.69

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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.