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Finding the Fourth Proportional to 95.04, 142.61 and 46.31

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Solution

The fourth proportional to 95.04, 142.61 and 46.31 is: 69.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.04 : 142.61 = 46.31 : x
  2. Step 2: Convert to fraction form
    95.04/142.61 = 46.31/x
  3. Step 3: Cross multiply
    95.04x = 142.61 × 46.31
  4. Step 4: Simplify right side
    95.04x = 6,603.32
  5. Step 5: Solve for x
    x = 6,603.32/95.04
  6. Step 6: Final answer
    x = 69.48

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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.