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Finding the Fourth Proportional to 569.02, 853.54 and 158.15

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Solution

The fourth proportional to 569.02, 853.54 and 158.15 is: 237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.02 : 853.54 = 158.15 : x
  2. Step 2: Convert to fraction form
    569.02/853.54 = 158.15/x
  3. Step 3: Cross multiply
    569.02x = 853.54 × 158.15
  4. Step 4: Simplify right side
    569.02x = 134,987.35
  5. Step 5: Solve for x
    x = 134,987.35/569.02
  6. Step 6: Final answer
    x = 237.23

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