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Finding the Fourth Proportional to 114.32, 170.48 and 101.84

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Solution

The fourth proportional to 114.32, 170.48 and 101.84 is: 151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.32 : 170.48 = 101.84 : x
  2. Step 2: Convert to fraction form
    114.32/170.48 = 101.84/x
  3. Step 3: Cross multiply
    114.32x = 170.48 × 101.84
  4. Step 4: Simplify right side
    114.32x = 17,361.68
  5. Step 5: Solve for x
    x = 17,361.68/114.32
  6. Step 6: Final answer
    x = 151.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.