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Finding the Fourth Proportional to 367,960.55, 552,002.29 and 115,190.74

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Solution

The fourth proportional to 367,960.55, 552,002.29 and 115,190.74 is: 172,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,960.55 : 552,002.29 = 115,190.74 : x
  2. Step 2: Convert to fraction form
    367,960.55/552,002.29 = 115,190.74/x
  3. Step 3: Cross multiply
    367,960.55x = 552,002.29 × 115,190.74
  4. Step 4: Simplify right side
    367,960.55x = 63,585,548,930.83
  5. Step 5: Solve for x
    x = 63,585,548,930.83/367,960.55
  6. Step 6: Final answer
    x = 172,805.34

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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.