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Finding the Fourth Proportional to 96,458.40, 144,493.20 and 54,856.80

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Solution

The fourth proportional to 96,458.40, 144,493.20 and 54,856.80 is: 82,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,458.40 : 144,493.20 = 54,856.80 : x
  2. Step 2: Convert to fraction form
    96,458.40/144,493.20 = 54,856.80/x
  3. Step 3: Cross multiply
    96,458.40x = 144,493.20 × 54,856.80
  4. Step 4: Simplify right side
    96,458.40x = 7,926,434,573.76
  5. Step 5: Solve for x
    x = 7,926,434,573.76/96,458.40
  6. Step 6: Final answer
    x = 82,174.64

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