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Finding the Fourth Proportional to 114.10, 157.44 and 67.46

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Solution

The fourth proportional to 114.10, 157.44 and 67.46 is: 93.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.10 : 157.44 = 67.46 : x
  2. Step 2: Convert to fraction form
    114.10/157.44 = 67.46/x
  3. Step 3: Cross multiply
    114.10x = 157.44 × 67.46
  4. Step 4: Simplify right side
    114.10x = 10,620.52
  5. Step 5: Solve for x
    x = 10,620.52/114.10
  6. Step 6: Final answer
    x = 93.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.