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Finding the Fourth Proportional to 54,798.48, 82,115.16 and 42,299.52

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Solution

The fourth proportional to 54,798.48, 82,115.16 and 42,299.52 is: 63,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798.48 : 82,115.16 = 42,299.52 : x
  2. Step 2: Convert to fraction form
    54,798.48/82,115.16 = 42,299.52/x
  3. Step 3: Cross multiply
    54,798.48x = 82,115.16 × 42,299.52
  4. Step 4: Simplify right side
    54,798.48x = 3,473,431,852.72
  5. Step 5: Solve for x
    x = 3,473,431,852.72/54,798.48
  6. Step 6: Final answer
    x = 63,385.55

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