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Finding the Fourth Proportional to 299.47, 448.92 and 116.83

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Solution

The fourth proportional to 299.47, 448.92 and 116.83 is: 175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.47 : 448.92 = 116.83 : x
  2. Step 2: Convert to fraction form
    299.47/448.92 = 116.83/x
  3. Step 3: Cross multiply
    299.47x = 448.92 × 116.83
  4. Step 4: Simplify right side
    299.47x = 52,447.32
  5. Step 5: Solve for x
    x = 52,447.32/299.47
  6. Step 6: Final answer
    x = 175.13

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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.