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Finding the Fourth Proportional to 55,906.63, 77,152.54 and 30,414.42

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Solution

The fourth proportional to 55,906.63, 77,152.54 and 30,414.42 is: 41,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,906.63 : 77,152.54 = 30,414.42 : x
  2. Step 2: Convert to fraction form
    55,906.63/77,152.54 = 30,414.42/x
  3. Step 3: Cross multiply
    55,906.63x = 77,152.54 × 30,414.42
  4. Step 4: Simplify right side
    55,906.63x = 2,346,549,755.63
  5. Step 5: Solve for x
    x = 2,346,549,755.63/55,906.63
  6. Step 6: Final answer
    x = 41,972.66

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