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Finding the Fourth Proportional to 194,967.93, 292,471.17 and 81,092.37

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Solution

The fourth proportional to 194,967.93, 292,471.17 and 81,092.37 is: 121,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,967.93 : 292,471.17 = 81,092.37 : x
  2. Step 2: Convert to fraction form
    194,967.93/292,471.17 = 81,092.37/x
  3. Step 3: Cross multiply
    194,967.93x = 292,471.17 × 81,092.37
  4. Step 4: Simplify right side
    194,967.93x = 23,717,180,331.97
  5. Step 5: Solve for x
    x = 23,717,180,331.97/194,967.93
  6. Step 6: Final answer
    x = 121,646.57

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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.