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Finding the Fourth Proportional to 253.98, 350.55 and 166.77

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Solution

The fourth proportional to 253.98, 350.55 and 166.77 is: 230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.98 : 350.55 = 166.77 : x
  2. Step 2: Convert to fraction form
    253.98/350.55 = 166.77/x
  3. Step 3: Cross multiply
    253.98x = 350.55 × 166.77
  4. Step 4: Simplify right side
    253.98x = 58,461.22
  5. Step 5: Solve for x
    x = 58,461.22/253.98
  6. Step 6: Final answer
    x = 230.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.