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Finding the Fourth Proportional to 88,581.80, 132,872.70 and 84,742.40

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Solution

The fourth proportional to 88,581.80, 132,872.70 and 84,742.40 is: 127,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581.80 : 132,872.70 = 84,742.40 : x
  2. Step 2: Convert to fraction form
    88,581.80/132,872.70 = 84,742.40/x
  3. Step 3: Cross multiply
    88,581.80x = 132,872.70 × 84,742.40
  4. Step 4: Simplify right side
    88,581.80x = 11,259,951,492.48
  5. Step 5: Solve for x
    x = 11,259,951,492.48/88,581.80
  6. Step 6: Final answer
    x = 127,113.60

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