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Finding the Fourth Proportional to 232,487.74, 320,750.49 and 151,961.68

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Solution

The fourth proportional to 232,487.74, 320,750.49 and 151,961.68 is: 209,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,487.74 : 320,750.49 = 151,961.68 : x
  2. Step 2: Convert to fraction form
    232,487.74/320,750.49 = 151,961.68/x
  3. Step 3: Cross multiply
    232,487.74x = 320,750.49 × 151,961.68
  4. Step 4: Simplify right side
    232,487.74x = 48,741,783,321.22
  5. Step 5: Solve for x
    x = 48,741,783,321.22/232,487.74
  6. Step 6: Final answer
    x = 209,653.13

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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.