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Finding the Fourth Proportional to 188.04, 282.08 and 177.96

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Solution

The fourth proportional to 188.04, 282.08 and 177.96 is: 266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.04 : 282.08 = 177.96 : x
  2. Step 2: Convert to fraction form
    188.04/282.08 = 177.96/x
  3. Step 3: Cross multiply
    188.04x = 282.08 × 177.96
  4. Step 4: Simplify right side
    188.04x = 50,198.96
  5. Step 5: Solve for x
    x = 50,198.96/188.04
  6. Step 6: Final answer
    x = 266.96

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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.