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Finding the Fourth Proportional to 92,135.02, 138,034.86 and 63,995.62

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Solution

The fourth proportional to 92,135.02, 138,034.86 and 63,995.62 is: 95,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,135.02 : 138,034.86 = 63,995.62 : x
  2. Step 2: Convert to fraction form
    92,135.02/138,034.86 = 63,995.62/x
  3. Step 3: Cross multiply
    92,135.02x = 138,034.86 × 63,995.62
  4. Step 4: Simplify right side
    92,135.02x = 8,833,626,447.31
  5. Step 5: Solve for x
    x = 8,833,626,447.31/92,135.02
  6. Step 6: Final answer
    x = 95,876.97

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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.