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Finding the Fourth Proportional to 177.54, 244.93 and 108.50

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Solution

The fourth proportional to 177.54, 244.93 and 108.50 is: 149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.54 : 244.93 = 108.50 : x
  2. Step 2: Convert to fraction form
    177.54/244.93 = 108.50/x
  3. Step 3: Cross multiply
    177.54x = 244.93 × 108.50
  4. Step 4: Simplify right side
    177.54x = 26,574.91
  5. Step 5: Solve for x
    x = 26,574.91/177.54
  6. Step 6: Final answer
    x = 149.68

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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.