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Finding the Fourth Proportional to 181,509.66, 250,443.29 and 108,879.39

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Solution

The fourth proportional to 181,509.66, 250,443.29 and 108,879.39 is: 150,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,509.66 : 250,443.29 = 108,879.39 : x
  2. Step 2: Convert to fraction form
    181,509.66/250,443.29 = 108,879.39/x
  3. Step 3: Cross multiply
    181,509.66x = 250,443.29 × 108,879.39
  4. Step 4: Simplify right side
    181,509.66x = 27,268,112,916.99
  5. Step 5: Solve for x
    x = 27,268,112,916.99/181,509.66
  6. Step 6: Final answer
    x = 150,229.54

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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.