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Finding the Fourth Proportional to 224,161.40, 309,333.43 and 122,184.62

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Solution

The fourth proportional to 224,161.40, 309,333.43 and 122,184.62 is: 168,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,161.40 : 309,333.43 = 122,184.62 : x
  2. Step 2: Convert to fraction form
    224,161.40/309,333.43 = 122,184.62/x
  3. Step 3: Cross multiply
    224,161.40x = 309,333.43 × 122,184.62
  4. Step 4: Simplify right side
    224,161.40x = 37,795,786,905.72
  5. Step 5: Solve for x
    x = 37,795,786,905.72/224,161.40
  6. Step 6: Final answer
    x = 168,609.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.