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Finding the Fourth Proportional to 125,589.78, 173,311.11 and 68,227.62

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Solution

The fourth proportional to 125,589.78, 173,311.11 and 68,227.62 is: 94,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,589.78 : 173,311.11 = 68,227.62 : x
  2. Step 2: Convert to fraction form
    125,589.78/173,311.11 = 68,227.62/x
  3. Step 3: Cross multiply
    125,589.78x = 173,311.11 × 68,227.62
  4. Step 4: Simplify right side
    125,589.78x = 11,824,604,554.86
  5. Step 5: Solve for x
    x = 11,824,604,554.86/125,589.78
  6. Step 6: Final answer
    x = 94,152.60

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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.