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Finding the Fourth Proportional to 255,134.16, 382,747.68 and 84,365.64

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Solution

The fourth proportional to 255,134.16, 382,747.68 and 84,365.64 is: 126,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,134.16 : 382,747.68 = 84,365.64 : x
  2. Step 2: Convert to fraction form
    255,134.16/382,747.68 = 84,365.64/x
  3. Step 3: Cross multiply
    255,134.16x = 382,747.68 × 84,365.64
  4. Step 4: Simplify right side
    255,134.16x = 32,290,752,981.72
  5. Step 5: Solve for x
    x = 32,290,752,981.72/255,134.16
  6. Step 6: Final answer
    x = 126,563.82

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