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Finding the Fourth Proportional to 123,935.54, 171,033.57 and 67,350.56

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Solution

The fourth proportional to 123,935.54, 171,033.57 and 67,350.56 is: 92,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,935.54 : 171,033.57 = 67,350.56 : x
  2. Step 2: Convert to fraction form
    123,935.54/171,033.57 = 67,350.56/x
  3. Step 3: Cross multiply
    123,935.54x = 171,033.57 × 67,350.56
  4. Step 4: Simplify right side
    123,935.54x = 11,519,206,718.30
  5. Step 5: Solve for x
    x = 11,519,206,718.30/123,935.54
  6. Step 6: Final answer
    x = 92,945.14

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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.