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Finding the Fourth Proportional to 367,873.94, 551,694.26 and 157,455.38

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Solution

The fourth proportional to 367,873.94, 551,694.26 and 157,455.38 is: 236,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,873.94 : 551,694.26 = 157,455.38 : x
  2. Step 2: Convert to fraction form
    367,873.94/551,694.26 = 157,455.38/x
  3. Step 3: Cross multiply
    367,873.94x = 551,694.26 × 157,455.38
  4. Step 4: Simplify right side
    367,873.94x = 86,867,229,352.12
  5. Step 5: Solve for x
    x = 86,867,229,352.12/367,873.94
  6. Step 6: Final answer
    x = 236,133.14

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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.