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Finding the Fourth Proportional to 141,414.52, 211,660.24 and 103,964.68

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Solution

The fourth proportional to 141,414.52, 211,660.24 and 103,964.68 is: 155,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,414.52 : 211,660.24 = 103,964.68 : x
  2. Step 2: Convert to fraction form
    141,414.52/211,660.24 = 103,964.68/x
  3. Step 3: Cross multiply
    141,414.52x = 211,660.24 × 103,964.68
  4. Step 4: Simplify right side
    141,414.52x = 22,005,189,120.32
  5. Step 5: Solve for x
    x = 22,005,189,120.32/141,414.52
  6. Step 6: Final answer
    x = 155,607.71

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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.