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Finding the Fourth Proportional to 213,266.16, 319,866.44 and 71,113.91

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Solution

The fourth proportional to 213,266.16, 319,866.44 and 71,113.91 is: 106,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,266.16 : 319,866.44 = 71,113.91 : x
  2. Step 2: Convert to fraction form
    213,266.16/319,866.44 = 71,113.91/x
  3. Step 3: Cross multiply
    213,266.16x = 319,866.44 × 71,113.91
  4. Step 4: Simplify right side
    213,266.16x = 22,746,951,271.28
  5. Step 5: Solve for x
    x = 22,746,951,271.28/213,266.16
  6. Step 6: Final answer
    x = 106,659.92

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