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Finding the Fourth Proportional to 132,223.82, 182,407.83 and 78,478.34

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Solution

The fourth proportional to 132,223.82, 182,407.83 and 78,478.34 is: 108,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,223.82 : 182,407.83 = 78,478.34 : x
  2. Step 2: Convert to fraction form
    132,223.82/182,407.83 = 78,478.34/x
  3. Step 3: Cross multiply
    132,223.82x = 182,407.83 × 78,478.34
  4. Step 4: Simplify right side
    132,223.82x = 14,315,063,701.40
  5. Step 5: Solve for x
    x = 14,315,063,701.40/132,223.82
  6. Step 6: Final answer
    x = 108,263.88

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