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Finding the Fourth Proportional to 367,426.62, 551,139.97 and 114,728.75

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Solution

The fourth proportional to 367,426.62, 551,139.97 and 114,728.75 is: 172,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,426.62 : 551,139.97 = 114,728.75 : x
  2. Step 2: Convert to fraction form
    367,426.62/551,139.97 = 114,728.75/x
  3. Step 3: Cross multiply
    367,426.62x = 551,139.97 × 114,728.75
  4. Step 4: Simplify right side
    367,426.62x = 63,231,599,833.14
  5. Step 5: Solve for x
    x = 63,231,599,833.14/367,426.62
  6. Step 6: Final answer
    x = 172,093.14

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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.