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Finding the Fourth Proportional to 141,274.52, 211,911.42 and 47,845.88

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Solution

The fourth proportional to 141,274.52, 211,911.42 and 47,845.88 is: 71,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,274.52 : 211,911.42 = 47,845.88 : x
  2. Step 2: Convert to fraction form
    141,274.52/211,911.42 = 47,845.88/x
  3. Step 3: Cross multiply
    141,274.52x = 211,911.42 × 47,845.88
  4. Step 4: Simplify right side
    141,274.52x = 10,139,088,371.95
  5. Step 5: Solve for x
    x = 10,139,088,371.95/141,274.52
  6. Step 6: Final answer
    x = 71,768.70

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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.