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Finding the Fourth Proportional to 256,518.38, 384,783.03 and 88,037.97

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Solution

The fourth proportional to 256,518.38, 384,783.03 and 88,037.97 is: 132,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,518.38 : 384,783.03 = 88,037.97 : x
  2. Step 2: Convert to fraction form
    256,518.38/384,783.03 = 88,037.97/x
  3. Step 3: Cross multiply
    256,518.38x = 384,783.03 × 88,037.97
  4. Step 4: Simplify right side
    256,518.38x = 33,875,516,851.65
  5. Step 5: Solve for x
    x = 33,875,516,851.65/256,518.38
  6. Step 6: Final answer
    x = 132,058.83

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