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Finding the Fourth Proportional to 134.76, 202 and 53.60

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Solution

The fourth proportional to 134.76, 202 and 53.60 is: 80.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.76 : 202 = 53.60 : x
  2. Step 2: Convert to fraction form
    134.76/202 = 53.60/x
  3. Step 3: Cross multiply
    134.76x = 202 × 53.60
  4. Step 4: Simplify right side
    134.76x = 10,827.20
  5. Step 5: Solve for x
    x = 10,827.20/134.76
  6. Step 6: Final answer
    x = 80.34

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