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Finding the Fourth Proportional to 247,523.82, 370,814.41 and 140,981.31

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Solution

The fourth proportional to 247,523.82, 370,814.41 and 140,981.31 is: 211,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,523.82 : 370,814.41 = 140,981.31 : x
  2. Step 2: Convert to fraction form
    247,523.82/370,814.41 = 140,981.31/x
  3. Step 3: Cross multiply
    247,523.82x = 370,814.41 × 140,981.31
  4. Step 4: Simplify right side
    247,523.82x = 52,277,901,714.80
  5. Step 5: Solve for x
    x = 52,277,901,714.80/247,523.82
  6. Step 6: Final answer
    x = 211,203.52

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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.