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Finding the Fourth Proportional to 182,122.56, 251,183.52 and 125,520.96

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Solution

The fourth proportional to 182,122.56, 251,183.52 and 125,520.96 is: 173,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,122.56 : 251,183.52 = 125,520.96 : x
  2. Step 2: Convert to fraction form
    182,122.56/251,183.52 = 125,520.96/x
  3. Step 3: Cross multiply
    182,122.56x = 251,183.52 × 125,520.96
  4. Step 4: Simplify right side
    182,122.56x = 31,528,796,566.58
  5. Step 5: Solve for x
    x = 31,528,796,566.58/182,122.56
  6. Step 6: Final answer
    x = 173,118.57

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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.