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Finding the Fourth Proportional to 224,380.72, 336,522.48 and 66,610.54

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Solution

The fourth proportional to 224,380.72, 336,522.48 and 66,610.54 is: 99,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,380.72 : 336,522.48 = 66,610.54 : x
  2. Step 2: Convert to fraction form
    224,380.72/336,522.48 = 66,610.54/x
  3. Step 3: Cross multiply
    224,380.72x = 336,522.48 × 66,610.54
  4. Step 4: Simplify right side
    224,380.72x = 22,415,944,114.94
  5. Step 5: Solve for x
    x = 22,415,944,114.94/224,380.72
  6. Step 6: Final answer
    x = 99,901.38

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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.