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Finding the Fourth Proportional to 79,510.05, 109,717.40 and 45,510.80

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Solution

The fourth proportional to 79,510.05, 109,717.40 and 45,510.80 is: 62,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,510.05 : 109,717.40 = 45,510.80 : x
  2. Step 2: Convert to fraction form
    79,510.05/109,717.40 = 45,510.80/x
  3. Step 3: Cross multiply
    79,510.05x = 109,717.40 × 45,510.80
  4. Step 4: Simplify right side
    79,510.05x = 4,993,325,871.78
  5. Step 5: Solve for x
    x = 4,993,325,871.78/79,510.05
  6. Step 6: Final answer
    x = 62,801.19

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