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Finding the Fourth Proportional to 125,662.46, 173,414.06 and 68,301.72

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Solution

The fourth proportional to 125,662.46, 173,414.06 and 68,301.72 is: 94,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,662.46 : 173,414.06 = 68,301.72 : x
  2. Step 2: Convert to fraction form
    125,662.46/173,414.06 = 68,301.72/x
  3. Step 3: Cross multiply
    125,662.46x = 173,414.06 × 68,301.72
  4. Step 4: Simplify right side
    125,662.46x = 11,844,478,625.14
  5. Step 5: Solve for x
    x = 11,844,478,625.14/125,662.46
  6. Step 6: Final answer
    x = 94,256.30

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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.