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Finding the Fourth Proportional to 114.57, 171.93 and 46.08

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Solution

The fourth proportional to 114.57, 171.93 and 46.08 is: 69.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.57 : 171.93 = 46.08 : x
  2. Step 2: Convert to fraction form
    114.57/171.93 = 46.08/x
  3. Step 3: Cross multiply
    114.57x = 171.93 × 46.08
  4. Step 4: Simplify right side
    114.57x = 7,922.30
  5. Step 5: Solve for x
    x = 7,922.30/114.57
  6. Step 6: Final answer
    x = 69.15

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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.