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Finding the Fourth Proportional to 92,449.33, 138,659.40 and 33,254.53

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Solution

The fourth proportional to 92,449.33, 138,659.40 and 33,254.53 is: 49,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,449.33 : 138,659.40 = 33,254.53 : x
  2. Step 2: Convert to fraction form
    92,449.33/138,659.40 = 33,254.53/x
  3. Step 3: Cross multiply
    92,449.33x = 138,659.40 × 33,254.53
  4. Step 4: Simplify right side
    92,449.33x = 4,611,052,483.79
  5. Step 5: Solve for x
    x = 4,611,052,483.79/92,449.33
  6. Step 6: Final answer
    x = 49,876.54

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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.