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Finding the Fourth Proportional to 202.92, 304.40 and 166.92

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Solution

The fourth proportional to 202.92, 304.40 and 166.92 is: 250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.92 : 304.40 = 166.92 : x
  2. Step 2: Convert to fraction form
    202.92/304.40 = 166.92/x
  3. Step 3: Cross multiply
    202.92x = 304.40 × 166.92
  4. Step 4: Simplify right side
    202.92x = 50,810.45
  5. Step 5: Solve for x
    x = 50,810.45/202.92
  6. Step 6: Final answer
    x = 250.40

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Why These Related Problems?

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