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Finding the Fourth Proportional to 224,492.05, 336,793.43 and 66,720.48

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Solution

The fourth proportional to 224,492.05, 336,793.43 and 66,720.48 is: 100,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,492.05 : 336,793.43 = 66,720.48 : x
  2. Step 2: Convert to fraction form
    224,492.05/336,793.43 = 66,720.48/x
  3. Step 3: Cross multiply
    224,492.05x = 336,793.43 × 66,720.48
  4. Step 4: Simplify right side
    224,492.05x = 22,471,019,310.45
  5. Step 5: Solve for x
    x = 22,471,019,310.45/224,492.05
  6. Step 6: Final answer
    x = 100,097.17

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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.