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Finding the Fourth Proportional to 172,843.18, 259,259.91 and 94,453.82

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Solution

The fourth proportional to 172,843.18, 259,259.91 and 94,453.82 is: 141,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,843.18 : 259,259.91 = 94,453.82 : x
  2. Step 2: Convert to fraction form
    172,843.18/259,259.91 = 94,453.82/x
  3. Step 3: Cross multiply
    172,843.18x = 259,259.91 × 94,453.82
  4. Step 4: Simplify right side
    172,843.18x = 24,488,088,872.36
  5. Step 5: Solve for x
    x = 24,488,088,872.36/172,843.18
  6. Step 6: Final answer
    x = 141,678.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.