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Finding the Fourth Proportional to 176.83, 244.01 and 98.15

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Solution

The fourth proportional to 176.83, 244.01 and 98.15 is: 135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.83 : 244.01 = 98.15 : x
  2. Step 2: Convert to fraction form
    176.83/244.01 = 98.15/x
  3. Step 3: Cross multiply
    176.83x = 244.01 × 98.15
  4. Step 4: Simplify right side
    176.83x = 23,948.36
  5. Step 5: Solve for x
    x = 23,948.36/176.83
  6. Step 6: Final answer
    x = 135.44

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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.