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Finding the Fourth Proportional to 181,325.57, 250,224.74 and 100,753.31

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Solution

The fourth proportional to 181,325.57, 250,224.74 and 100,753.31 is: 139,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,325.57 : 250,224.74 = 100,753.31 : x
  2. Step 2: Convert to fraction form
    181,325.57/250,224.74 = 100,753.31/x
  3. Step 3: Cross multiply
    181,325.57x = 250,224.74 × 100,753.31
  4. Step 4: Simplify right side
    181,325.57x = 25,210,969,799.65
  5. Step 5: Solve for x
    x = 25,210,969,799.65/181,325.57
  6. Step 6: Final answer
    x = 139,037.03

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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.