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Finding the Fourth Proportional to 123,913.14, 170,998.02 and 67,324.11

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Solution

The fourth proportional to 123,913.14, 170,998.02 and 67,324.11 is: 92,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,913.14 : 170,998.02 = 67,324.11 : x
  2. Step 2: Convert to fraction form
    123,913.14/170,998.02 = 67,324.11/x
  3. Step 3: Cross multiply
    123,913.14x = 170,998.02 × 67,324.11
  4. Step 4: Simplify right side
    123,913.14x = 11,512,289,508.26
  5. Step 5: Solve for x
    x = 11,512,289,508.26/123,913.14
  6. Step 6: Final answer
    x = 92,906.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.