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Finding the Fourth Proportional to 96.93, 145.56 and 62.76

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Solution

The fourth proportional to 96.93, 145.56 and 62.76 is: 94.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.93 : 145.56 = 62.76 : x
  2. Step 2: Convert to fraction form
    96.93/145.56 = 62.76/x
  3. Step 3: Cross multiply
    96.93x = 145.56 × 62.76
  4. Step 4: Simplify right side
    96.93x = 9,135.35
  5. Step 5: Solve for x
    x = 9,135.35/96.93
  6. Step 6: Final answer
    x = 94.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.