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Finding the Fourth Proportional to 163,141.80, 244,518.30 and 68,371.80

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Solution

The fourth proportional to 163,141.80, 244,518.30 and 68,371.80 is: 102,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,141.80 : 244,518.30 = 68,371.80 : x
  2. Step 2: Convert to fraction form
    163,141.80/244,518.30 = 68,371.80/x
  3. Step 3: Cross multiply
    163,141.80x = 244,518.30 × 68,371.80
  4. Step 4: Simplify right side
    163,141.80x = 16,718,156,303.94
  5. Step 5: Solve for x
    x = 16,718,156,303.94/163,141.80
  6. Step 6: Final answer
    x = 102,476.23

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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.