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Finding the Fourth Proportional to 125,252.88, 172,847.52 and 68,664.24

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Solution

The fourth proportional to 125,252.88, 172,847.52 and 68,664.24 is: 94,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,252.88 : 172,847.52 = 68,664.24 : x
  2. Step 2: Convert to fraction form
    125,252.88/172,847.52 = 68,664.24/x
  3. Step 3: Cross multiply
    125,252.88x = 172,847.52 × 68,664.24
  4. Step 4: Simplify right side
    125,252.88x = 11,868,443,596.68
  5. Step 5: Solve for x
    x = 11,868,443,596.68/125,252.88
  6. Step 6: Final answer
    x = 94,755.85

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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.