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Finding the Fourth Proportional to 169.06, 253.56 and 47.33

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Solution

The fourth proportional to 169.06, 253.56 and 47.33 is: 70.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.06 : 253.56 = 47.33 : x
  2. Step 2: Convert to fraction form
    169.06/253.56 = 47.33/x
  3. Step 3: Cross multiply
    169.06x = 253.56 × 47.33
  4. Step 4: Simplify right side
    169.06x = 12,001.88
  5. Step 5: Solve for x
    x = 12,001.88/169.06
  6. Step 6: Final answer
    x = 70.99

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