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Finding the Fourth Proportional to 467.15, 700.65 and 142.47

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Solution

The fourth proportional to 467.15, 700.65 and 142.47 is: 213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.15 : 700.65 = 142.47 : x
  2. Step 2: Convert to fraction form
    467.15/700.65 = 142.47/x
  3. Step 3: Cross multiply
    467.15x = 700.65 × 142.47
  4. Step 4: Simplify right side
    467.15x = 99,821.61
  5. Step 5: Solve for x
    x = 99,821.61/467.15
  6. Step 6: Final answer
    x = 213.68

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