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Finding the Fourth Proportional to 162,793.60, 244,190.40 and 161,756.80

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Solution

The fourth proportional to 162,793.60, 244,190.40 and 161,756.80 is: 242,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,793.60 : 244,190.40 = 161,756.80 : x
  2. Step 2: Convert to fraction form
    162,793.60/244,190.40 = 161,756.80/x
  3. Step 3: Cross multiply
    162,793.60x = 244,190.40 × 161,756.80
  4. Step 4: Simplify right side
    162,793.60x = 39,499,457,694.72
  5. Step 5: Solve for x
    x = 39,499,457,694.72/162,793.60
  6. Step 6: Final answer
    x = 242,635.20

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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.