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Finding the Fourth Proportional to 109,058.20, 163,587.30 and 71,733.40

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Solution

The fourth proportional to 109,058.20, 163,587.30 and 71,733.40 is: 107,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,058.20 : 163,587.30 = 71,733.40 : x
  2. Step 2: Convert to fraction form
    109,058.20/163,587.30 = 71,733.40/x
  3. Step 3: Cross multiply
    109,058.20x = 163,587.30 × 71,733.40
  4. Step 4: Simplify right side
    109,058.20x = 11,734,673,225.82
  5. Step 5: Solve for x
    x = 11,734,673,225.82/109,058.20
  6. Step 6: Final answer
    x = 107,600.10

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