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Finding the Fourth Proportional to 125,590.71, 173,314.48 and 68,229.57

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Solution

The fourth proportional to 125,590.71, 173,314.48 and 68,229.57 is: 94,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,590.71 : 173,314.48 = 68,229.57 : x
  2. Step 2: Convert to fraction form
    125,590.71/173,314.48 = 68,229.57/x
  3. Step 3: Cross multiply
    125,590.71x = 173,314.48 × 68,229.57
  4. Step 4: Simplify right side
    125,590.71x = 11,825,171,670.74
  5. Step 5: Solve for x
    x = 11,825,171,670.74/125,590.71
  6. Step 6: Final answer
    x = 94,156.42

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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.