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Finding the Fourth Proportional to 102,521.16, 141,479.22 and 57,809.16

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Solution

The fourth proportional to 102,521.16, 141,479.22 and 57,809.16 is: 79,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521.16 : 141,479.22 = 57,809.16 : x
  2. Step 2: Convert to fraction form
    102,521.16/141,479.22 = 57,809.16/x
  3. Step 3: Cross multiply
    102,521.16x = 141,479.22 × 57,809.16
  4. Step 4: Simplify right side
    102,521.16x = 8,178,794,865.66
  5. Step 5: Solve for x
    x = 8,178,794,865.66/102,521.16
  6. Step 6: Final answer
    x = 79,776.65

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