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Finding the Fourth Proportional to 141,073.70, 211,609.82 and 49,956.70

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Solution

The fourth proportional to 141,073.70, 211,609.82 and 49,956.70 is: 74,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,073.70 : 211,609.82 = 49,956.70 : x
  2. Step 2: Convert to fraction form
    141,073.70/211,609.82 = 49,956.70/x
  3. Step 3: Cross multiply
    141,073.70x = 211,609.82 × 49,956.70
  4. Step 4: Simplify right side
    141,073.70x = 10,571,327,890.66
  5. Step 5: Solve for x
    x = 10,571,327,890.66/141,073.70
  6. Step 6: Final answer
    x = 74,934.79

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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.