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Finding the Fourth Proportional to 125,963.31, 173,825.82 and 68,601.34

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Solution

The fourth proportional to 125,963.31, 173,825.82 and 68,601.34 is: 94,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963.31 : 173,825.82 = 68,601.34 : x
  2. Step 2: Convert to fraction form
    125,963.31/173,825.82 = 68,601.34/x
  3. Step 3: Cross multiply
    125,963.31x = 173,825.82 × 68,601.34
  4. Step 4: Simplify right side
    125,963.31x = 11,924,683,744.03
  5. Step 5: Solve for x
    x = 11,924,683,744.03/125,963.31
  6. Step 6: Final answer
    x = 94,667.91

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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.