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Finding the Fourth Proportional to 296,693.92, 445,036.02 and 72,056.20

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Solution

The fourth proportional to 296,693.92, 445,036.02 and 72,056.20 is: 108,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,693.92 : 445,036.02 = 72,056.20 : x
  2. Step 2: Convert to fraction form
    296,693.92/445,036.02 = 72,056.20/x
  3. Step 3: Cross multiply
    296,693.92x = 445,036.02 × 72,056.20
  4. Step 4: Simplify right side
    296,693.92x = 32,067,604,464.32
  5. Step 5: Solve for x
    x = 32,067,604,464.32/296,693.92
  6. Step 6: Final answer
    x = 108,083.12

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