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Finding the Fourth Proportional to 181,325.70, 250,224.92 and 100,753.43

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Solution

The fourth proportional to 181,325.70, 250,224.92 and 100,753.43 is: 139,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,325.70 : 250,224.92 = 100,753.43 : x
  2. Step 2: Convert to fraction form
    181,325.70/250,224.92 = 100,753.43/x
  3. Step 3: Cross multiply
    181,325.70x = 250,224.92 × 100,753.43
  4. Step 4: Simplify right side
    181,325.70x = 25,211,018,961.48
  5. Step 5: Solve for x
    x = 25,211,018,961.48/181,325.70
  6. Step 6: Final answer
    x = 139,037.21

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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.