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Finding the Fourth Proportional to 181,998.20, 251,149.20 and 101,434.52

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Solution

The fourth proportional to 181,998.20, 251,149.20 and 101,434.52 is: 139,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,998.20 : 251,149.20 = 101,434.52 : x
  2. Step 2: Convert to fraction form
    181,998.20/251,149.20 = 101,434.52/x
  3. Step 3: Cross multiply
    181,998.20x = 251,149.20 × 101,434.52
  4. Step 4: Simplify right side
    181,998.20x = 25,475,198,550.38
  5. Step 5: Solve for x
    x = 25,475,198,550.38/181,998.20
  6. Step 6: Final answer
    x = 139,975.00

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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.