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Finding the Fourth Proportional to 367,425.62, 551,138.47 and 114,727.75

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Solution

The fourth proportional to 367,425.62, 551,138.47 and 114,727.75 is: 172,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,425.62 : 551,138.47 = 114,727.75 : x
  2. Step 2: Convert to fraction form
    367,425.62/551,138.47 = 114,727.75/x
  3. Step 3: Cross multiply
    367,425.62x = 551,138.47 × 114,727.75
  4. Step 4: Simplify right side
    367,425.62x = 63,230,878,650.73
  5. Step 5: Solve for x
    x = 63,230,878,650.73/367,425.62
  6. Step 6: Final answer
    x = 172,091.64

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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.