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Finding the Fourth Proportional to 164.76, 246.52 and 135.60

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Solution

The fourth proportional to 164.76, 246.52 and 135.60 is: 202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.76 : 246.52 = 135.60 : x
  2. Step 2: Convert to fraction form
    164.76/246.52 = 135.60/x
  3. Step 3: Cross multiply
    164.76x = 246.52 × 135.60
  4. Step 4: Simplify right side
    164.76x = 33,428.11
  5. Step 5: Solve for x
    x = 33,428.11/164.76
  6. Step 6: Final answer
    x = 202.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.