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Finding the Fourth Proportional to 224,037.79, 309,169.31 and 122,067.50

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Solution

The fourth proportional to 224,037.79, 309,169.31 and 122,067.50 is: 168,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,037.79 : 309,169.31 = 122,067.50 : x
  2. Step 2: Convert to fraction form
    224,037.79/309,169.31 = 122,067.50/x
  3. Step 3: Cross multiply
    224,037.79x = 309,169.31 × 122,067.50
  4. Step 4: Simplify right side
    224,037.79x = 37,739,522,592.24
  5. Step 5: Solve for x
    x = 37,739,522,592.24/224,037.79
  6. Step 6: Final answer
    x = 168,451.59

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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.