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Finding the Fourth Proportional to 83,411.06, 115,107.32 and 45,170.91

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Solution

The fourth proportional to 83,411.06, 115,107.32 and 45,170.91 is: 62,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.06 : 115,107.32 = 45,170.91 : x
  2. Step 2: Convert to fraction form
    83,411.06/115,107.32 = 45,170.91/x
  3. Step 3: Cross multiply
    83,411.06x = 115,107.32 × 45,170.91
  4. Step 4: Simplify right side
    83,411.06x = 5,199,502,166.21
  5. Step 5: Solve for x
    x = 5,199,502,166.21/83,411.06
  6. Step 6: Final answer
    x = 62,335.89

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