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Finding the Fourth Proportional to 229.99, 317.53 and 177.43

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Solution

The fourth proportional to 229.99, 317.53 and 177.43 is: 244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.99 : 317.53 = 177.43 : x
  2. Step 2: Convert to fraction form
    229.99/317.53 = 177.43/x
  3. Step 3: Cross multiply
    229.99x = 317.53 × 177.43
  4. Step 4: Simplify right side
    229.99x = 56,340.34
  5. Step 5: Solve for x
    x = 56,340.34/229.99
  6. Step 6: Final answer
    x = 244.97

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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.