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Finding the Fourth Proportional to 163,797.98, 226,042.82 and 91,201.88

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Solution

The fourth proportional to 163,797.98, 226,042.82 and 91,201.88 is: 125,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,797.98 : 226,042.82 = 91,201.88 : x
  2. Step 2: Convert to fraction form
    163,797.98/226,042.82 = 91,201.88/x
  3. Step 3: Cross multiply
    163,797.98x = 226,042.82 × 91,201.88
  4. Step 4: Simplify right side
    163,797.98x = 20,615,530,937.61
  5. Step 5: Solve for x
    x = 20,615,530,937.61/163,797.98
  6. Step 6: Final answer
    x = 125,859.49

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1.5x scale

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.