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Finding the Fourth Proportional to 282,563.12, 423,866.38 and 80,155.76

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Solution

The fourth proportional to 282,563.12, 423,866.38 and 80,155.76 is: 120,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,563.12 : 423,866.38 = 80,155.76 : x
  2. Step 2: Convert to fraction form
    282,563.12/423,866.38 = 80,155.76/x
  3. Step 3: Cross multiply
    282,563.12x = 423,866.38 × 80,155.76
  4. Step 4: Simplify right side
    282,563.12x = 33,975,331,827.35
  5. Step 5: Solve for x
    x = 33,975,331,827.35/282,563.12
  6. Step 6: Final answer
    x = 120,239.80

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