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Finding the Fourth Proportional to 181,338.48, 250,169.49 and 113,237.22

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Solution

The fourth proportional to 181,338.48, 250,169.49 and 113,237.22 is: 156,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,338.48 : 250,169.49 = 113,237.22 : x
  2. Step 2: Convert to fraction form
    181,338.48/250,169.49 = 113,237.22/x
  3. Step 3: Cross multiply
    181,338.48x = 250,169.49 × 113,237.22
  4. Step 4: Simplify right side
    181,338.48x = 28,328,497,576.42
  5. Step 5: Solve for x
    x = 28,328,497,576.42/181,338.48
  6. Step 6: Final answer
    x = 156,218.90

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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.