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Finding the Fourth Proportional to 202, 304.40 and 168.52

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Solution

The fourth proportional to 202, 304.40 and 168.52 is: 253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202 : 304.40 = 168.52 : x
  2. Step 2: Convert to fraction form
    202/304.40 = 168.52/x
  3. Step 3: Cross multiply
    202x = 304.40 × 168.52
  4. Step 4: Simplify right side
    202x = 51,297.49
  5. Step 5: Solve for x
    x = 51,297.49/202
  6. Step 6: Final answer
    x = 253.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.