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Finding the Fourth Proportional to 181,339.48, 250,170.87 and 113,238.22

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Solution

The fourth proportional to 181,339.48, 250,170.87 and 113,238.22 is: 156,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,339.48 : 250,170.87 = 113,238.22 : x
  2. Step 2: Convert to fraction form
    181,339.48/250,170.87 = 113,238.22/x
  3. Step 3: Cross multiply
    181,339.48x = 250,170.87 × 113,238.22
  4. Step 4: Simplify right side
    181,339.48x = 28,328,904,014.65
  5. Step 5: Solve for x
    x = 28,328,904,014.65/181,339.48
  6. Step 6: Final answer
    x = 156,220.28

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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.