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Finding the Fourth Proportional to 118,642.88, 163,722.24 and 64,926.56

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Solution

The fourth proportional to 118,642.88, 163,722.24 and 64,926.56 is: 89,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,642.88 : 163,722.24 = 64,926.56 : x
  2. Step 2: Convert to fraction form
    118,642.88/163,722.24 = 64,926.56/x
  3. Step 3: Cross multiply
    118,642.88x = 163,722.24 × 64,926.56
  4. Step 4: Simplify right side
    118,642.88x = 10,629,921,838.69
  5. Step 5: Solve for x
    x = 10,629,921,838.69/118,642.88
  6. Step 6: Final answer
    x = 89,595.95

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