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Finding the Fourth Proportional to 114.46, 171.70 and 46.01

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Solution

The fourth proportional to 114.46, 171.70 and 46.01 is: 69.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.46 : 171.70 = 46.01 : x
  2. Step 2: Convert to fraction form
    114.46/171.70 = 46.01/x
  3. Step 3: Cross multiply
    114.46x = 171.70 × 46.01
  4. Step 4: Simplify right side
    114.46x = 7,900.23
  5. Step 5: Solve for x
    x = 7,900.23/114.46
  6. Step 6: Final answer
    x = 69.02

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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.