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Finding the Fourth Proportional to 175.02, 260.92 and 168.18

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Solution

The fourth proportional to 175.02, 260.92 and 168.18 is: 250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.02 : 260.92 = 168.18 : x
  2. Step 2: Convert to fraction form
    175.02/260.92 = 168.18/x
  3. Step 3: Cross multiply
    175.02x = 260.92 × 168.18
  4. Step 4: Simplify right side
    175.02x = 43,881.53
  5. Step 5: Solve for x
    x = 43,881.53/175.02
  6. Step 6: Final answer
    x = 250.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.