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Finding the Fourth Proportional to 162,755.80, 244,133.70 and 103,633.90

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Solution

The fourth proportional to 162,755.80, 244,133.70 and 103,633.90 is: 155,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,755.80 : 244,133.70 = 103,633.90 : x
  2. Step 2: Convert to fraction form
    162,755.80/244,133.70 = 103,633.90/x
  3. Step 3: Cross multiply
    162,755.80x = 244,133.70 × 103,633.90
  4. Step 4: Simplify right side
    162,755.80x = 25,300,527,452.43
  5. Step 5: Solve for x
    x = 25,300,527,452.43/162,755.80
  6. Step 6: Final answer
    x = 155,450.85

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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.