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Finding the Fourth Proportional to 96.62, 144.91 and 60.00

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Solution

The fourth proportional to 96.62, 144.91 and 60.00 is: 89.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.62 : 144.91 = 60.00 : x
  2. Step 2: Convert to fraction form
    96.62/144.91 = 60.00/x
  3. Step 3: Cross multiply
    96.62x = 144.91 × 60.00
  4. Step 4: Simplify right side
    96.62x = 8,693.58
  5. Step 5: Solve for x
    x = 8,693.58/96.62
  6. Step 6: Final answer
    x = 89.98

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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.