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Finding the Fourth Proportional to 224,340.30, 336,512.56 and 66,568.78

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Solution

The fourth proportional to 224,340.30, 336,512.56 and 66,568.78 is: 99,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,340.30 : 336,512.56 = 66,568.78 : x
  2. Step 2: Convert to fraction form
    224,340.30/336,512.56 = 66,568.78/x
  3. Step 3: Cross multiply
    224,340.30x = 336,512.56 × 66,568.78
  4. Step 4: Simplify right side
    224,340.30x = 22,401,230,573.88
  5. Step 5: Solve for x
    x = 22,401,230,573.88/224,340.30
  6. Step 6: Final answer
    x = 99,853.80

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1.5x scale

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.