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Finding the Fourth Proportional to 68,754.76, 94,873.08 and 41,887.52

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Solution

The fourth proportional to 68,754.76, 94,873.08 and 41,887.52 is: 57,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,754.76 : 94,873.08 = 41,887.52 : x
  2. Step 2: Convert to fraction form
    68,754.76/94,873.08 = 41,887.52/x
  3. Step 3: Cross multiply
    68,754.76x = 94,873.08 × 41,887.52
  4. Step 4: Simplify right side
    68,754.76x = 3,973,998,035.96
  5. Step 5: Solve for x
    x = 3,973,998,035.96/68,754.76
  6. Step 6: Final answer
    x = 57,799.61

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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.