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Finding the Fourth Proportional to 96.76, 145.02 and 62.52

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Solution

The fourth proportional to 96.76, 145.02 and 62.52 is: 93.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.76 : 145.02 = 62.52 : x
  2. Step 2: Convert to fraction form
    96.76/145.02 = 62.52/x
  3. Step 3: Cross multiply
    96.76x = 145.02 × 62.52
  4. Step 4: Simplify right side
    96.76x = 9,066.65
  5. Step 5: Solve for x
    x = 9,066.65/96.76
  6. Step 6: Final answer
    x = 93.70

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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.