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Finding the Fourth Proportional to 114.53, 171.60 and 73.37

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Solution

The fourth proportional to 114.53, 171.60 and 73.37 is: 109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.53 : 171.60 = 73.37 : x
  2. Step 2: Convert to fraction form
    114.53/171.60 = 73.37/x
  3. Step 3: Cross multiply
    114.53x = 171.60 × 73.37
  4. Step 4: Simplify right side
    114.53x = 12,590.29
  5. Step 5: Solve for x
    x = 12,590.29/114.53
  6. Step 6: Final answer
    x = 109.93

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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.