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Finding the Fourth Proportional to 66,833.68, 100,269 and 59,489.44

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Solution

The fourth proportional to 66,833.68, 100,269 and 59,489.44 is: 89,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,833.68 : 100,269 = 59,489.44 : x
  2. Step 2: Convert to fraction form
    66,833.68/100,269 = 59,489.44/x
  3. Step 3: Cross multiply
    66,833.68x = 100,269 × 59,489.44
  4. Step 4: Simplify right side
    66,833.68x = 5,964,946,659.36
  5. Step 5: Solve for x
    x = 5,964,946,659.36/66,833.68
  6. Step 6: Final answer
    x = 89,250.61

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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.