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Finding the Fourth Proportional to 176.48, 243.36 and 132.74

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Solution

The fourth proportional to 176.48, 243.36 and 132.74 is: 183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.48 : 243.36 = 132.74 : x
  2. Step 2: Convert to fraction form
    176.48/243.36 = 132.74/x
  3. Step 3: Cross multiply
    176.48x = 243.36 × 132.74
  4. Step 4: Simplify right side
    176.48x = 32,303.61
  5. Step 5: Solve for x
    x = 32,303.61/176.48
  6. Step 6: Final answer
    x = 183.04

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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.