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Finding the Fourth Proportional to 177.44, 244.64 and 133.92

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Solution

The fourth proportional to 177.44, 244.64 and 133.92 is: 184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.44 : 244.64 = 133.92 : x
  2. Step 2: Convert to fraction form
    177.44/244.64 = 133.92/x
  3. Step 3: Cross multiply
    177.44x = 244.64 × 133.92
  4. Step 4: Simplify right side
    177.44x = 32,762.19
  5. Step 5: Solve for x
    x = 32,762.19/177.44
  6. Step 6: Final answer
    x = 184.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.