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Finding the Fourth Proportional to 250.49, 345.67 and 176.99

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Solution

The fourth proportional to 250.49, 345.67 and 176.99 is: 244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.49 : 345.67 = 176.99 : x
  2. Step 2: Convert to fraction form
    250.49/345.67 = 176.99/x
  3. Step 3: Cross multiply
    250.49x = 345.67 × 176.99
  4. Step 4: Simplify right side
    250.49x = 61,177.96
  5. Step 5: Solve for x
    x = 61,177.96/250.49
  6. Step 6: Final answer
    x = 244.23

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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.