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Finding the Fourth Proportional to 224,494.72, 336,729.77 and 135,724.39

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Solution

The fourth proportional to 224,494.72, 336,729.77 and 135,724.39 is: 203,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,494.72 : 336,729.77 = 135,724.39 : x
  2. Step 2: Convert to fraction form
    224,494.72/336,729.77 = 135,724.39/x
  3. Step 3: Cross multiply
    224,494.72x = 336,729.77 × 135,724.39
  4. Step 4: Simplify right side
    224,494.72x = 45,702,444,274.17
  5. Step 5: Solve for x
    x = 45,702,444,274.17/224,494.72
  6. Step 6: Final answer
    x = 203,579.15

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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.