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Finding the Fourth Proportional to 367,394.87, 551,112.84 and 114,710.27

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Solution

The fourth proportional to 367,394.87, 551,112.84 and 114,710.27 is: 172,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,394.87 : 551,112.84 = 114,710.27 : x
  2. Step 2: Convert to fraction form
    367,394.87/551,112.84 = 114,710.27/x
  3. Step 3: Cross multiply
    367,394.87x = 551,112.84 × 114,710.27
  4. Step 4: Simplify right side
    367,394.87x = 63,218,299,921.30
  5. Step 5: Solve for x
    x = 63,218,299,921.30/367,394.87
  6. Step 6: Final answer
    x = 172,071.81

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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.