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Finding the Fourth Proportional to 176.99, 244.18 and 111.53

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Solution

The fourth proportional to 176.99, 244.18 and 111.53 is: 153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.99 : 244.18 = 111.53 : x
  2. Step 2: Convert to fraction form
    176.99/244.18 = 111.53/x
  3. Step 3: Cross multiply
    176.99x = 244.18 × 111.53
  4. Step 4: Simplify right side
    176.99x = 27,233.40
  5. Step 5: Solve for x
    x = 27,233.40/176.99
  6. Step 6: Final answer
    x = 153.87

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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.