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Finding the Fourth Proportional to 72,065.99, 99,422.46 and 48,154.79

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Solution

The fourth proportional to 72,065.99, 99,422.46 and 48,154.79 is: 66,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,065.99 : 99,422.46 = 48,154.79 : x
  2. Step 2: Convert to fraction form
    72,065.99/99,422.46 = 48,154.79/x
  3. Step 3: Cross multiply
    72,065.99x = 99,422.46 × 48,154.79
  4. Step 4: Simplify right side
    72,065.99x = 4,787,667,682.58
  5. Step 5: Solve for x
    x = 4,787,667,682.58/72,065.99
  6. Step 6: Final answer
    x = 66,434.50

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