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Finding the Fourth Proportional to 224,625.20, 309,981.20 and 122,650.59

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Solution

The fourth proportional to 224,625.20, 309,981.20 and 122,650.59 is: 169,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,625.20 : 309,981.20 = 122,650.59 : x
  2. Step 2: Convert to fraction form
    224,625.20/309,981.20 = 122,650.59/x
  3. Step 3: Cross multiply
    224,625.20x = 309,981.20 × 122,650.59
  4. Step 4: Simplify right side
    224,625.20x = 38,019,377,618.08
  5. Step 5: Solve for x
    x = 38,019,377,618.08/224,625.20
  6. Step 6: Final answer
    x = 169,256.96

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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.