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Finding the Fourth Proportional to 224,679.86, 337,001.34 and 66,908.32

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Solution

The fourth proportional to 224,679.86, 337,001.34 and 66,908.32 is: 100,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,679.86 : 337,001.34 = 66,908.32 : x
  2. Step 2: Convert to fraction form
    224,679.86/337,001.34 = 66,908.32/x
  3. Step 3: Cross multiply
    224,679.86x = 337,001.34 × 66,908.32
  4. Step 4: Simplify right side
    224,679.86x = 22,548,193,497.15
  5. Step 5: Solve for x
    x = 22,548,193,497.15/224,679.86
  6. Step 6: Final answer
    x = 100,356.99

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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.