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Finding the Fourth Proportional to 176.19, 263.70 and 118.41

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Solution

The fourth proportional to 176.19, 263.70 and 118.41 is: 177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.19 : 263.70 = 118.41 : x
  2. Step 2: Convert to fraction form
    176.19/263.70 = 118.41/x
  3. Step 3: Cross multiply
    176.19x = 263.70 × 118.41
  4. Step 4: Simplify right side
    176.19x = 31,224.72
  5. Step 5: Solve for x
    x = 31,224.72/176.19
  6. Step 6: Final answer
    x = 177.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.