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Finding the Fourth Proportional to 224,348.52, 336,449.96 and 74,548.60

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Solution

The fourth proportional to 224,348.52, 336,449.96 and 74,548.60 is: 111,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,348.52 : 336,449.96 = 74,548.60 : x
  2. Step 2: Convert to fraction form
    224,348.52/336,449.96 = 74,548.60/x
  3. Step 3: Cross multiply
    224,348.52x = 336,449.96 × 74,548.60
  4. Step 4: Simplify right side
    224,348.52x = 25,081,873,815.43
  5. Step 5: Solve for x
    x = 25,081,873,815.43/224,348.52
  6. Step 6: Final answer
    x = 111,798.71

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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.