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Finding the Fourth Proportional to 299.02, 448.76 and 116.50

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Solution

The fourth proportional to 299.02, 448.76 and 116.50 is: 174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.02 : 448.76 = 116.50 : x
  2. Step 2: Convert to fraction form
    299.02/448.76 = 116.50/x
  3. Step 3: Cross multiply
    299.02x = 448.76 × 116.50
  4. Step 4: Simplify right side
    299.02x = 52,280.54
  5. Step 5: Solve for x
    x = 52,280.54/299.02
  6. Step 6: Final answer
    x = 174.84

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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.