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Finding the Fourth Proportional to 224,759.64, 336,941.40 and 91,751.64

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Solution

The fourth proportional to 224,759.64, 336,941.40 and 91,751.64 is: 137,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,759.64 : 336,941.40 = 91,751.64 : x
  2. Step 2: Convert to fraction form
    224,759.64/336,941.40 = 91,751.64/x
  3. Step 3: Cross multiply
    224,759.64x = 336,941.40 × 91,751.64
  4. Step 4: Simplify right side
    224,759.64x = 30,914,926,033.90
  5. Step 5: Solve for x
    x = 30,914,926,033.90/224,759.64
  6. Step 6: Final answer
    x = 137,546.61

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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.