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Finding the Fourth Proportional to 63,917.92, 88,165.56 and 42,407.20

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Solution

The fourth proportional to 63,917.92, 88,165.56 and 42,407.20 is: 58,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,917.92 : 88,165.56 = 42,407.20 : x
  2. Step 2: Convert to fraction form
    63,917.92/88,165.56 = 42,407.20/x
  3. Step 3: Cross multiply
    63,917.92x = 88,165.56 × 42,407.20
  4. Step 4: Simplify right side
    63,917.92x = 3,738,854,536.03
  5. Step 5: Solve for x
    x = 3,738,854,536.03/63,917.92
  6. Step 6: Final answer
    x = 58,494.62

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