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Finding the Fourth Proportional to 163,859.76, 226,121.22 and 92,230.04

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Solution

The fourth proportional to 163,859.76, 226,121.22 and 92,230.04 is: 127,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,859.76 : 226,121.22 = 92,230.04 : x
  2. Step 2: Convert to fraction form
    163,859.76/226,121.22 = 92,230.04/x
  3. Step 3: Cross multiply
    163,859.76x = 226,121.22 × 92,230.04
  4. Step 4: Simplify right side
    163,859.76x = 20,855,169,730.75
  5. Step 5: Solve for x
    x = 20,855,169,730.75/163,859.76
  6. Step 6: Final answer
    x = 127,274.50

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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.