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Finding the Fourth Proportional to 132.98, 183.47 and 96.39

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Solution

The fourth proportional to 132.98, 183.47 and 96.39 is: 132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.98 : 183.47 = 96.39 : x
  2. Step 2: Convert to fraction form
    132.98/183.47 = 96.39/x
  3. Step 3: Cross multiply
    132.98x = 183.47 × 96.39
  4. Step 4: Simplify right side
    132.98x = 17,684.19
  5. Step 5: Solve for x
    x = 17,684.19/132.98
  6. Step 6: Final answer
    x = 132.99

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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.