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Finding the Fourth Proportional to 267,468, 400,978.32 and 109,809.60

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Solution

The fourth proportional to 267,468, 400,978.32 and 109,809.60 is: 164,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,468 : 400,978.32 = 109,809.60 : x
  2. Step 2: Convert to fraction form
    267,468/400,978.32 = 109,809.60/x
  3. Step 3: Cross multiply
    267,468x = 400,978.32 × 109,809.60
  4. Step 4: Simplify right side
    267,468x = 44,031,268,927.87
  5. Step 5: Solve for x
    x = 44,031,268,927.87/267,468
  6. Step 6: Final answer
    x = 164,622.57

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Why These Related Problems?

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