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Finding the Fourth Proportional to 114.58, 171.88 and 101.62

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Solution

The fourth proportional to 114.58, 171.88 and 101.62 is: 152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.58 : 171.88 = 101.62 : x
  2. Step 2: Convert to fraction form
    114.58/171.88 = 101.62/x
  3. Step 3: Cross multiply
    114.58x = 171.88 × 101.62
  4. Step 4: Simplify right side
    114.58x = 17,466.45
  5. Step 5: Solve for x
    x = 17,466.45/114.58
  6. Step 6: Final answer
    x = 152.44

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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.