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Finding the Fourth Proportional to 235.84, 325.52 and 148.48

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Solution

The fourth proportional to 235.84, 325.52 and 148.48 is: 204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.84 : 325.52 = 148.48 : x
  2. Step 2: Convert to fraction form
    235.84/325.52 = 148.48/x
  3. Step 3: Cross multiply
    235.84x = 325.52 × 148.48
  4. Step 4: Simplify right side
    235.84x = 48,333.21
  5. Step 5: Solve for x
    x = 48,333.21/235.84
  6. Step 6: Final answer
    x = 204.94

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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.