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Finding the Fourth Proportional to 95.84, 143.60 and 59.76

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Solution

The fourth proportional to 95.84, 143.60 and 59.76 is: 89.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.84 : 143.60 = 59.76 : x
  2. Step 2: Convert to fraction form
    95.84/143.60 = 59.76/x
  3. Step 3: Cross multiply
    95.84x = 143.60 × 59.76
  4. Step 4: Simplify right side
    95.84x = 8,581.54
  5. Step 5: Solve for x
    x = 8,581.54/95.84
  6. Step 6: Final answer
    x = 89.54

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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.