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Finding the Fourth Proportional to 216,863.26, 299,302.80 and 124,964.70

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Solution

The fourth proportional to 216,863.26, 299,302.80 and 124,964.70 is: 172,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,863.26 : 299,302.80 = 124,964.70 : x
  2. Step 2: Convert to fraction form
    216,863.26/299,302.80 = 124,964.70/x
  3. Step 3: Cross multiply
    216,863.26x = 299,302.80 × 124,964.70
  4. Step 4: Simplify right side
    216,863.26x = 37,402,284,611.16
  5. Step 5: Solve for x
    x = 37,402,284,611.16/216,863.26
  6. Step 6: Final answer
    x = 172,469.44

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