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Finding the Fourth Proportional to 202.08, 301.92 and 176.16

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Solution

The fourth proportional to 202.08, 301.92 and 176.16 is: 263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.08 : 301.92 = 176.16 : x
  2. Step 2: Convert to fraction form
    202.08/301.92 = 176.16/x
  3. Step 3: Cross multiply
    202.08x = 301.92 × 176.16
  4. Step 4: Simplify right side
    202.08x = 53,186.23
  5. Step 5: Solve for x
    x = 53,186.23/202.08
  6. Step 6: Final answer
    x = 263.19

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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.