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Finding the Fourth Proportional to 108,404.32, 162,606.66 and 71,199.40

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Solution

The fourth proportional to 108,404.32, 162,606.66 and 71,199.40 is: 106,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,404.32 : 162,606.66 = 71,199.40 : x
  2. Step 2: Convert to fraction form
    108,404.32/162,606.66 = 71,199.40/x
  3. Step 3: Cross multiply
    108,404.32x = 162,606.66 × 71,199.40
  4. Step 4: Simplify right side
    108,404.32x = 11,577,496,628.00
  5. Step 5: Solve for x
    x = 11,577,496,628.00/108,404.32
  6. Step 6: Final answer
    x = 106,799.22

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