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Finding the Fourth Proportional to 100,460.72, 150,691.12 and 47,710.28

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Solution

The fourth proportional to 100,460.72, 150,691.12 and 47,710.28 is: 71,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,460.72 : 150,691.12 = 47,710.28 : x
  2. Step 2: Convert to fraction form
    100,460.72/150,691.12 = 47,710.28/x
  3. Step 3: Cross multiply
    100,460.72x = 150,691.12 × 47,710.28
  4. Step 4: Simplify right side
    100,460.72x = 7,189,515,786.17
  5. Step 5: Solve for x
    x = 7,189,515,786.17/100,460.72
  6. Step 6: Final answer
    x = 71,565.44

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