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Finding the Fourth Proportional to 367,449.26, 551,248.41 and 114,719.54

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Solution

The fourth proportional to 367,449.26, 551,248.41 and 114,719.54 is: 172,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,449.26 : 551,248.41 = 114,719.54 : x
  2. Step 2: Convert to fraction form
    367,449.26/551,248.41 = 114,719.54/x
  3. Step 3: Cross multiply
    367,449.26x = 551,248.41 × 114,719.54
  4. Step 4: Simplify right side
    367,449.26x = 63,238,964,020.93
  5. Step 5: Solve for x
    x = 63,238,964,020.93/367,449.26
  6. Step 6: Final answer
    x = 172,102.58

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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.