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Finding the Fourth Proportional to 211,265.44, 316,938.12 and 84,915.52

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Solution

The fourth proportional to 211,265.44, 316,938.12 and 84,915.52 is: 127,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.44 : 316,938.12 = 84,915.52 : x
  2. Step 2: Convert to fraction form
    211,265.44/316,938.12 = 84,915.52/x
  3. Step 3: Cross multiply
    211,265.44x = 316,938.12 × 84,915.52
  4. Step 4: Simplify right side
    211,265.44x = 26,912,965,267.62
  5. Step 5: Solve for x
    x = 26,912,965,267.62/211,265.44
  6. Step 6: Final answer
    x = 127,389.34

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