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Finding the Fourth Proportional to 202.03, 302.68 and 169.50

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Solution

The fourth proportional to 202.03, 302.68 and 169.50 is: 253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.03 : 302.68 = 169.50 : x
  2. Step 2: Convert to fraction form
    202.03/302.68 = 169.50/x
  3. Step 3: Cross multiply
    202.03x = 302.68 × 169.50
  4. Step 4: Simplify right side
    202.03x = 51,304.26
  5. Step 5: Solve for x
    x = 51,304.26/202.03
  6. Step 6: Final answer
    x = 253.94

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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.