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Finding the Fourth Proportional to 95.13, 142.66 and 46.35

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Solution

The fourth proportional to 95.13, 142.66 and 46.35 is: 69.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.13 : 142.66 = 46.35 : x
  2. Step 2: Convert to fraction form
    95.13/142.66 = 46.35/x
  3. Step 3: Cross multiply
    95.13x = 142.66 × 46.35
  4. Step 4: Simplify right side
    95.13x = 6,612.18
  5. Step 5: Solve for x
    x = 6,612.18/95.13
  6. Step 6: Final answer
    x = 69.51

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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.