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Finding the Fourth Proportional to 164,519.51, 246,923.24 and 80,341.88

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Solution

The fourth proportional to 164,519.51, 246,923.24 and 80,341.88 is: 120,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,519.51 : 246,923.24 = 80,341.88 : x
  2. Step 2: Convert to fraction form
    164,519.51/246,923.24 = 80,341.88/x
  3. Step 3: Cross multiply
    164,519.51x = 246,923.24 × 80,341.88
  4. Step 4: Simplify right side
    164,519.51x = 19,838,275,680.97
  5. Step 5: Solve for x
    x = 19,838,275,680.97/164,519.51
  6. Step 6: Final answer
    x = 120,583.12

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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.