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Finding the Fourth Proportional to 181,401.80, 250,323.77 and 100,826.56

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Solution

The fourth proportional to 181,401.80, 250,323.77 and 100,826.56 is: 139,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,401.80 : 250,323.77 = 100,826.56 : x
  2. Step 2: Convert to fraction form
    181,401.80/250,323.77 = 100,826.56/x
  3. Step 3: Cross multiply
    181,401.80x = 250,323.77 × 100,826.56
  4. Step 4: Simplify right side
    181,401.80x = 25,239,282,859.58
  5. Step 5: Solve for x
    x = 25,239,282,859.58/181,401.80
  6. Step 6: Final answer
    x = 139,134.69

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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.