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Finding the Fourth Proportional to 68,901.84, 103,352.22 and 22,154.76

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Solution

The fourth proportional to 68,901.84, 103,352.22 and 22,154.76 is: 33,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.84 : 103,352.22 = 22,154.76 : x
  2. Step 2: Convert to fraction form
    68,901.84/103,352.22 = 22,154.76/x
  3. Step 3: Cross multiply
    68,901.84x = 103,352.22 × 22,154.76
  4. Step 4: Simplify right side
    68,901.84x = 2,289,743,629.57
  5. Step 5: Solve for x
    x = 2,289,743,629.57/68,901.84
  6. Step 6: Final answer
    x = 33,231.97

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Similar ratio
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1.5x scale

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.