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Finding the Fourth Proportional to 177.37, 244.69 and 124.99

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Solution

The fourth proportional to 177.37, 244.69 and 124.99 is: 172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.37 : 244.69 = 124.99 : x
  2. Step 2: Convert to fraction form
    177.37/244.69 = 124.99/x
  3. Step 3: Cross multiply
    177.37x = 244.69 × 124.99
  4. Step 4: Simplify right side
    177.37x = 30,582.88
  5. Step 5: Solve for x
    x = 30,582.88/177.37
  6. Step 6: Final answer
    x = 172.43

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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.