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Finding the Fourth Proportional to 146.52, 202.16 and 94.76

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Solution

The fourth proportional to 146.52, 202.16 and 94.76 is: 130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.52 : 202.16 = 94.76 : x
  2. Step 2: Convert to fraction form
    146.52/202.16 = 94.76/x
  3. Step 3: Cross multiply
    146.52x = 202.16 × 94.76
  4. Step 4: Simplify right side
    146.52x = 19,156.68
  5. Step 5: Solve for x
    x = 19,156.68/146.52
  6. Step 6: Final answer
    x = 130.74

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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.