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Finding the Fourth Proportional to 95.13, 142.63 and 46.94

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Solution

The fourth proportional to 95.13, 142.63 and 46.94 is: 70.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.13 : 142.63 = 46.94 : x
  2. Step 2: Convert to fraction form
    95.13/142.63 = 46.94/x
  3. Step 3: Cross multiply
    95.13x = 142.63 × 46.94
  4. Step 4: Simplify right side
    95.13x = 6,694.22
  5. Step 5: Solve for x
    x = 6,694.22/95.13
  6. Step 6: Final answer
    x = 70.37

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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.