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Finding the Fourth Proportional to 83,981.18, 115,894.03 and 46,255.43

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Solution

The fourth proportional to 83,981.18, 115,894.03 and 46,255.43 is: 63,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,981.18 : 115,894.03 = 46,255.43 : x
  2. Step 2: Convert to fraction form
    83,981.18/115,894.03 = 46,255.43/x
  3. Step 3: Cross multiply
    83,981.18x = 115,894.03 × 46,255.43
  4. Step 4: Simplify right side
    83,981.18x = 5,360,728,061.91
  5. Step 5: Solve for x
    x = 5,360,728,061.91/83,981.18
  6. Step 6: Final answer
    x = 63,832.49

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