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Finding the Fourth Proportional to 181,633.88, 250,656 and 101,064.80

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Solution

The fourth proportional to 181,633.88, 250,656 and 101,064.80 is: 139,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,633.88 : 250,656 = 101,064.80 : x
  2. Step 2: Convert to fraction form
    181,633.88/250,656 = 101,064.80/x
  3. Step 3: Cross multiply
    181,633.88x = 250,656 × 101,064.80
  4. Step 4: Simplify right side
    181,633.88x = 25,332,498,508.80
  5. Step 5: Solve for x
    x = 25,332,498,508.80/181,633.88
  6. Step 6: Final answer
    x = 139,470.12

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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.