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Finding the Fourth Proportional to 131,794.44, 181,875.49 and 71,363.80

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Solution

The fourth proportional to 131,794.44, 181,875.49 and 71,363.80 is: 98,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,794.44 : 181,875.49 = 71,363.80 : x
  2. Step 2: Convert to fraction form
    131,794.44/181,875.49 = 71,363.80/x
  3. Step 3: Cross multiply
    131,794.44x = 181,875.49 × 71,363.80
  4. Step 4: Simplify right side
    131,794.44x = 12,979,326,093.26
  5. Step 5: Solve for x
    x = 12,979,326,093.26/131,794.44
  6. Step 6: Final answer
    x = 98,481.59

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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.