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Finding the Fourth Proportional to 148.56, 205.02 and 114

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Solution

The fourth proportional to 148.56, 205.02 and 114 is: 157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.56 : 205.02 = 114 : x
  2. Step 2: Convert to fraction form
    148.56/205.02 = 114/x
  3. Step 3: Cross multiply
    148.56x = 205.02 × 114
  4. Step 4: Simplify right side
    148.56x = 23,372.28
  5. Step 5: Solve for x
    x = 23,372.28/148.56
  6. Step 6: Final answer
    x = 157.33

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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.