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Finding the Fourth Proportional to 247,234.52, 341,190.37 and 139,820.62

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Solution

The fourth proportional to 247,234.52, 341,190.37 and 139,820.62 is: 192,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,234.52 : 341,190.37 = 139,820.62 : x
  2. Step 2: Convert to fraction form
    247,234.52/341,190.37 = 139,820.62/x
  3. Step 3: Cross multiply
    247,234.52x = 341,190.37 × 139,820.62
  4. Step 4: Simplify right side
    247,234.52x = 47,705,449,071.43
  5. Step 5: Solve for x
    x = 47,705,449,071.43/247,234.52
  6. Step 6: Final answer
    x = 192,956.26

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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.