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Finding the Fourth Proportional to 67,750.92, 101,635.98 and 28,299.06

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Solution

The fourth proportional to 67,750.92, 101,635.98 and 28,299.06 is: 42,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,750.92 : 101,635.98 = 28,299.06 : x
  2. Step 2: Convert to fraction form
    67,750.92/101,635.98 = 28,299.06/x
  3. Step 3: Cross multiply
    67,750.92x = 101,635.98 × 28,299.06
  4. Step 4: Simplify right side
    67,750.92x = 2,876,202,696.18
  5. Step 5: Solve for x
    x = 2,876,202,696.18/67,750.92
  6. Step 6: Final answer
    x = 42,452.60

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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.