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Finding the Fourth Proportional to 162,892.80, 244,144.80 and 68,122.80

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Solution

The fourth proportional to 162,892.80, 244,144.80 and 68,122.80 is: 102,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,892.80 : 244,144.80 = 68,122.80 : x
  2. Step 2: Convert to fraction form
    162,892.80/244,144.80 = 68,122.80/x
  3. Step 3: Cross multiply
    162,892.80x = 244,144.80 × 68,122.80
  4. Step 4: Simplify right side
    162,892.80x = 16,631,827,381.44
  5. Step 5: Solve for x
    x = 16,631,827,381.44/162,892.80
  6. Step 6: Final answer
    x = 102,102.90

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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.