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Finding the Fourth Proportional to 125,649.27, 173,396.03 and 68,288.58

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Solution

The fourth proportional to 125,649.27, 173,396.03 and 68,288.58 is: 94,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649.27 : 173,396.03 = 68,288.58 : x
  2. Step 2: Convert to fraction form
    125,649.27/173,396.03 = 68,288.58/x
  3. Step 3: Cross multiply
    125,649.27x = 173,396.03 × 68,288.58
  4. Step 4: Simplify right side
    125,649.27x = 11,840,968,324.89
  5. Step 5: Solve for x
    x = 11,840,968,324.89/125,649.27
  6. Step 6: Final answer
    x = 94,238.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.