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Finding the Fourth Proportional to 88,099.84, 132,378.99 and 82,340.74

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Solution

The fourth proportional to 88,099.84, 132,378.99 and 82,340.74 is: 123,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.84 : 132,378.99 = 82,340.74 : x
  2. Step 2: Convert to fraction form
    88,099.84/132,378.99 = 82,340.74/x
  3. Step 3: Cross multiply
    88,099.84x = 132,378.99 × 82,340.74
  4. Step 4: Simplify right side
    88,099.84x = 10,900,183,997.05
  5. Step 5: Solve for x
    x = 10,900,183,997.05/88,099.84
  6. Step 6: Final answer
    x = 123,725.36

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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.