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Finding the Fourth Proportional to 296,694.42, 445,036.77 and 72,056.70

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Solution

The fourth proportional to 296,694.42, 445,036.77 and 72,056.70 is: 108,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,694.42 : 445,036.77 = 72,056.70 : x
  2. Step 2: Convert to fraction form
    296,694.42/445,036.77 = 72,056.70/x
  3. Step 3: Cross multiply
    296,694.42x = 445,036.77 × 72,056.70
  4. Step 4: Simplify right side
    296,694.42x = 32,067,881,024.86
  5. Step 5: Solve for x
    x = 32,067,881,024.86/296,694.42
  6. Step 6: Final answer
    x = 108,083.87

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