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Finding the Fourth Proportional to 114.44, 157.55 and 101.93

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Solution

The fourth proportional to 114.44, 157.55 and 101.93 is: 140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.44 : 157.55 = 101.93 : x
  2. Step 2: Convert to fraction form
    114.44/157.55 = 101.93/x
  3. Step 3: Cross multiply
    114.44x = 157.55 × 101.93
  4. Step 4: Simplify right side
    114.44x = 16,057.77
  5. Step 5: Solve for x
    x = 16,057.77/114.44
  6. Step 6: Final answer
    x = 140.32

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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.