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Finding the Fourth Proportional to 181,321.70, 250,119.70 and 113,220.44

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Solution

The fourth proportional to 181,321.70, 250,119.70 and 113,220.44 is: 156,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,321.70 : 250,119.70 = 113,220.44 : x
  2. Step 2: Convert to fraction form
    181,321.70/250,119.70 = 113,220.44/x
  3. Step 3: Cross multiply
    181,321.70x = 250,119.70 × 113,220.44
  4. Step 4: Simplify right side
    181,321.70x = 28,318,661,890.97
  5. Step 5: Solve for x
    x = 28,318,661,890.97/181,321.70
  6. Step 6: Final answer
    x = 156,179.12

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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.