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Finding the Fourth Proportional to 163,663.43, 225,837.15 and 92,041.91

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Solution

The fourth proportional to 163,663.43, 225,837.15 and 92,041.91 is: 127,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,663.43 : 225,837.15 = 92,041.91 : x
  2. Step 2: Convert to fraction form
    163,663.43/225,837.15 = 92,041.91/x
  3. Step 3: Cross multiply
    163,663.43x = 225,837.15 × 92,041.91
  4. Step 4: Simplify right side
    163,663.43x = 20,786,481,505.77
  5. Step 5: Solve for x
    x = 20,786,481,505.77/163,663.43
  6. Step 6: Final answer
    x = 127,007.49

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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.