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Finding the Fourth Proportional to 239,755.96, 330,874.02 and 137,814.52

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Solution

The fourth proportional to 239,755.96, 330,874.02 and 137,814.52 is: 190,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,755.96 : 330,874.02 = 137,814.52 : x
  2. Step 2: Convert to fraction form
    239,755.96/330,874.02 = 137,814.52/x
  3. Step 3: Cross multiply
    239,755.96x = 330,874.02 × 137,814.52
  4. Step 4: Simplify right side
    239,755.96x = 45,599,244,246.77
  5. Step 5: Solve for x
    x = 45,599,244,246.77/239,755.96
  6. Step 6: Final answer
    x = 190,190.24

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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.