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Finding the Fourth Proportional to 224,149.02, 336,224.61 and 66,380.46

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Solution

The fourth proportional to 224,149.02, 336,224.61 and 66,380.46 is: 99,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,149.02 : 336,224.61 = 66,380.46 : x
  2. Step 2: Convert to fraction form
    224,149.02/336,224.61 = 66,380.46/x
  3. Step 3: Cross multiply
    224,149.02x = 336,224.61 × 66,380.46
  4. Step 4: Simplify right side
    224,149.02x = 22,318,744,275.12
  5. Step 5: Solve for x
    x = 22,318,744,275.12/224,149.02
  6. Step 6: Final answer
    x = 99,571.01

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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.