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Finding the Fourth Proportional to 130.97, 196.53 and 123.93

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Solution

The fourth proportional to 130.97, 196.53 and 123.93 is: 185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.97 : 196.53 = 123.93 : x
  2. Step 2: Convert to fraction form
    130.97/196.53 = 123.93/x
  3. Step 3: Cross multiply
    130.97x = 196.53 × 123.93
  4. Step 4: Simplify right side
    130.97x = 24,355.50
  5. Step 5: Solve for x
    x = 24,355.50/130.97
  6. Step 6: Final answer
    x = 185.97

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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.