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Finding the Fourth Proportional to 253.94, 350.37 and 160.52

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Solution

The fourth proportional to 253.94, 350.37 and 160.52 is: 221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.94 : 350.37 = 160.52 : x
  2. Step 2: Convert to fraction form
    253.94/350.37 = 160.52/x
  3. Step 3: Cross multiply
    253.94x = 350.37 × 160.52
  4. Step 4: Simplify right side
    253.94x = 56,239.64
  5. Step 5: Solve for x
    x = 56,239.64/253.94
  6. Step 6: Final answer
    x = 221.47

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Why These Related Problems?

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