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Finding the Fourth Proportional to 95.64, 143.52 and 59.44

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Solution

The fourth proportional to 95.64, 143.52 and 59.44 is: 89.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.64 : 143.52 = 59.44 : x
  2. Step 2: Convert to fraction form
    95.64/143.52 = 59.44/x
  3. Step 3: Cross multiply
    95.64x = 143.52 × 59.44
  4. Step 4: Simplify right side
    95.64x = 8,530.83
  5. Step 5: Solve for x
    x = 8,530.83/95.64
  6. Step 6: Final answer
    x = 89.20

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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.