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Finding the Fourth Proportional to 202.48, 303.88 and 117.04

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Solution

The fourth proportional to 202.48, 303.88 and 117.04 is: 175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.48 : 303.88 = 117.04 : x
  2. Step 2: Convert to fraction form
    202.48/303.88 = 117.04/x
  3. Step 3: Cross multiply
    202.48x = 303.88 × 117.04
  4. Step 4: Simplify right side
    202.48x = 35,566.12
  5. Step 5: Solve for x
    x = 35,566.12/202.48
  6. Step 6: Final answer
    x = 175.65

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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.