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Finding the Fourth Proportional to 181,469.88, 250,411.32 and 104,976.72

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Solution

The fourth proportional to 181,469.88, 250,411.32 and 104,976.72 is: 144,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,469.88 : 250,411.32 = 104,976.72 : x
  2. Step 2: Convert to fraction form
    181,469.88/250,411.32 = 104,976.72/x
  3. Step 3: Cross multiply
    181,469.88x = 250,411.32 × 104,976.72
  4. Step 4: Simplify right side
    181,469.88x = 26,287,359,024.47
  5. Step 5: Solve for x
    x = 26,287,359,024.47/181,469.88
  6. Step 6: Final answer
    x = 144,857.97

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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.