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Finding the Fourth Proportional to 211,692.66, 317,342.16 and 71,352.88

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Solution

The fourth proportional to 211,692.66, 317,342.16 and 71,352.88 is: 106,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,692.66 : 317,342.16 = 71,352.88 : x
  2. Step 2: Convert to fraction form
    211,692.66/317,342.16 = 71,352.88/x
  3. Step 3: Cross multiply
    211,692.66x = 317,342.16 × 71,352.88
  4. Step 4: Simplify right side
    211,692.66x = 22,643,277,061.42
  5. Step 5: Solve for x
    x = 22,643,277,061.42/211,692.66
  6. Step 6: Final answer
    x = 106,962.98

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