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Finding the Fourth Proportional to 200,799.17, 300,788.69 and 112,099.92

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Solution

The fourth proportional to 200,799.17, 300,788.69 and 112,099.92 is: 167,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,799.17 : 300,788.69 = 112,099.92 : x
  2. Step 2: Convert to fraction form
    200,799.17/300,788.69 = 112,099.92/x
  3. Step 3: Cross multiply
    200,799.17x = 300,788.69 × 112,099.92
  4. Step 4: Simplify right side
    200,799.17x = 33,718,387,525.41
  5. Step 5: Solve for x
    x = 33,718,387,525.41/200,799.17
  6. Step 6: Final answer
    x = 167,920.95

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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.