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Finding the Fourth Proportional to 181,456.98, 250,418.94 and 100,892.76

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Solution

The fourth proportional to 181,456.98, 250,418.94 and 100,892.76 is: 139,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,456.98 : 250,418.94 = 100,892.76 : x
  2. Step 2: Convert to fraction form
    181,456.98/250,418.94 = 100,892.76/x
  3. Step 3: Cross multiply
    181,456.98x = 250,418.94 × 100,892.76
  4. Step 4: Simplify right side
    181,456.98x = 25,265,458,012.87
  5. Step 5: Solve for x
    x = 25,265,458,012.87/181,456.98
  6. Step 6: Final answer
    x = 139,236.63

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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.