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Finding the Fourth Proportional to 123,952.23, 171,054 and 67,363.59

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Solution

The fourth proportional to 123,952.23, 171,054 and 67,363.59 is: 92,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,952.23 : 171,054 = 67,363.59 : x
  2. Step 2: Convert to fraction form
    123,952.23/171,054 = 67,363.59/x
  3. Step 3: Cross multiply
    123,952.23x = 171,054 × 67,363.59
  4. Step 4: Simplify right side
    123,952.23x = 11,522,811,523.86
  5. Step 5: Solve for x
    x = 11,522,811,523.86/123,952.23
  6. Step 6: Final answer
    x = 92,961.71

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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.