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Finding the Fourth Proportional to 367,441.30, 551,212.17 and 130,726.90

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Solution

The fourth proportional to 367,441.30, 551,212.17 and 130,726.90 is: 196,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,441.30 : 551,212.17 = 130,726.90 : x
  2. Step 2: Convert to fraction form
    367,441.30/551,212.17 = 130,726.90/x
  3. Step 3: Cross multiply
    367,441.30x = 551,212.17 × 130,726.90
  4. Step 4: Simplify right side
    367,441.30x = 72,058,258,226.37
  5. Step 5: Solve for x
    x = 72,058,258,226.37/367,441.30
  6. Step 6: Final answer
    x = 196,108.22

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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.