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Finding the Fourth Proportional to 85,374.33, 128,067.69 and 32,783.82

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Solution

The fourth proportional to 85,374.33, 128,067.69 and 32,783.82 is: 49,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,374.33 : 128,067.69 = 32,783.82 : x
  2. Step 2: Convert to fraction form
    85,374.33/128,067.69 = 32,783.82/x
  3. Step 3: Cross multiply
    85,374.33x = 128,067.69 × 32,783.82
  4. Step 4: Simplify right side
    85,374.33x = 4,198,547,493.58
  5. Step 5: Solve for x
    x = 4,198,547,493.58/85,374.33
  6. Step 6: Final answer
    x = 49,178.10

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