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Finding the Fourth Proportional to 224,403.73, 336,568.12 and 74,659.84

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Solution

The fourth proportional to 224,403.73, 336,568.12 and 74,659.84 is: 111,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,403.73 : 336,568.12 = 74,659.84 : x
  2. Step 2: Convert to fraction form
    224,403.73/336,568.12 = 74,659.84/x
  3. Step 3: Cross multiply
    224,403.73x = 336,568.12 × 74,659.84
  4. Step 4: Simplify right side
    224,403.73x = 25,128,121,988.30
  5. Step 5: Solve for x
    x = 25,128,121,988.30/224,403.73
  6. Step 6: Final answer
    x = 111,977.29

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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.