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Finding the Fourth Proportional to 181,911.94, 251,046.04 and 101,339.44

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Solution

The fourth proportional to 181,911.94, 251,046.04 and 101,339.44 is: 139,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,911.94 : 251,046.04 = 101,339.44 : x
  2. Step 2: Convert to fraction form
    181,911.94/251,046.04 = 101,339.44/x
  3. Step 3: Cross multiply
    181,911.94x = 251,046.04 × 101,339.44
  4. Step 4: Simplify right side
    181,911.94x = 25,440,865,107.82
  5. Step 5: Solve for x
    x = 25,440,865,107.82/181,911.94
  6. Step 6: Final answer
    x = 139,852.64

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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.