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Finding the Fourth Proportional to 56,416.75, 77,855.12 and 30,923.94

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Solution

The fourth proportional to 56,416.75, 77,855.12 and 30,923.94 is: 42,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,416.75 : 77,855.12 = 30,923.94 : x
  2. Step 2: Convert to fraction form
    56,416.75/77,855.12 = 30,923.94/x
  3. Step 3: Cross multiply
    56,416.75x = 77,855.12 × 30,923.94
  4. Step 4: Simplify right side
    56,416.75x = 2,407,587,059.57
  5. Step 5: Solve for x
    x = 2,407,587,059.57/56,416.75
  6. Step 6: Final answer
    x = 42,675.04

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