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Finding the Fourth Proportional to 147.84, 203.85 and 96

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Solution

The fourth proportional to 147.84, 203.85 and 96 is: 132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.84 : 203.85 = 96 : x
  2. Step 2: Convert to fraction form
    147.84/203.85 = 96/x
  3. Step 3: Cross multiply
    147.84x = 203.85 × 96
  4. Step 4: Simplify right side
    147.84x = 19,569.60
  5. Step 5: Solve for x
    x = 19,569.60/147.84
  6. Step 6: Final answer
    x = 132.37

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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.