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Finding the Fourth Proportional to 162,901.80, 244,158.30 and 68,131.80

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Solution

The fourth proportional to 162,901.80, 244,158.30 and 68,131.80 is: 102,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,901.80 : 244,158.30 = 68,131.80 : x
  2. Step 2: Convert to fraction form
    162,901.80/244,158.30 = 68,131.80/x
  3. Step 3: Cross multiply
    162,901.80x = 244,158.30 × 68,131.80
  4. Step 4: Simplify right side
    162,901.80x = 16,634,944,463.94
  5. Step 5: Solve for x
    x = 16,634,944,463.94/162,901.80
  6. Step 6: Final answer
    x = 102,116.39

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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.