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Finding the Fourth Proportional to 259.77, 358.49 and 149.24

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Solution

The fourth proportional to 259.77, 358.49 and 149.24 is: 205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.77 : 358.49 = 149.24 : x
  2. Step 2: Convert to fraction form
    259.77/358.49 = 149.24/x
  3. Step 3: Cross multiply
    259.77x = 358.49 × 149.24
  4. Step 4: Simplify right side
    259.77x = 53,501.69
  5. Step 5: Solve for x
    x = 53,501.69/259.77
  6. Step 6: Final answer
    x = 205.96

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