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Finding the Fourth Proportional to 75,868.84, 113,711.08 and 53,688.72

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Solution

The fourth proportional to 75,868.84, 113,711.08 and 53,688.72 is: 80,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,868.84 : 113,711.08 = 53,688.72 : x
  2. Step 2: Convert to fraction form
    75,868.84/113,711.08 = 53,688.72/x
  3. Step 3: Cross multiply
    75,868.84x = 113,711.08 × 53,688.72
  4. Step 4: Simplify right side
    75,868.84x = 6,105,002,335.02
  5. Step 5: Solve for x
    x = 6,105,002,335.02/75,868.84
  6. Step 6: Final answer
    x = 80,467.85

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