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Finding the Fourth Proportional to 68,227.74, 94,152.78 and 38,012.94

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Solution

The fourth proportional to 68,227.74, 94,152.78 and 38,012.94 is: 52,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,227.74 : 94,152.78 = 38,012.94 : x
  2. Step 2: Convert to fraction form
    68,227.74/94,152.78 = 38,012.94/x
  3. Step 3: Cross multiply
    68,227.74x = 94,152.78 × 38,012.94
  4. Step 4: Simplify right side
    68,227.74x = 3,579,023,976.97
  5. Step 5: Solve for x
    x = 3,579,023,976.97/68,227.74
  6. Step 6: Final answer
    x = 52,457.02

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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.