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Finding the Fourth Proportional to 224,442.72, 336,606.48 and 66,634.56

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Solution

The fourth proportional to 224,442.72, 336,606.48 and 66,634.56 is: 99,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,442.72 : 336,606.48 = 66,634.56 : x
  2. Step 2: Convert to fraction form
    224,442.72/336,606.48 = 66,634.56/x
  3. Step 3: Cross multiply
    224,442.72x = 336,606.48 × 66,634.56
  4. Step 4: Simplify right side
    224,442.72x = 22,429,624,687.95
  5. Step 5: Solve for x
    x = 22,429,624,687.95/224,442.72
  6. Step 6: Final answer
    x = 99,934.74

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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.