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Finding the Fourth Proportional to 176.76, 244.00 and 103.08

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Solution

The fourth proportional to 176.76, 244.00 and 103.08 is: 142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.76 : 244.00 = 103.08 : x
  2. Step 2: Convert to fraction form
    176.76/244.00 = 103.08/x
  3. Step 3: Cross multiply
    176.76x = 244.00 × 103.08
  4. Step 4: Simplify right side
    176.76x = 25,150.61
  5. Step 5: Solve for x
    x = 25,150.61/176.76
  6. Step 6: Final answer
    x = 142.29

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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.