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Finding the Fourth Proportional to 224,546.64, 336,749.88 and 74,751.84

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Solution

The fourth proportional to 224,546.64, 336,749.88 and 74,751.84 is: 112,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,546.64 : 336,749.88 = 74,751.84 : x
  2. Step 2: Convert to fraction form
    224,546.64/336,749.88 = 74,751.84/x
  3. Step 3: Cross multiply
    224,546.64x = 336,749.88 × 74,751.84
  4. Step 4: Simplify right side
    224,546.64x = 25,172,673,149.78
  5. Step 5: Solve for x
    x = 25,172,673,149.78/224,546.64
  6. Step 6: Final answer
    x = 112,104.43

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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.