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Finding the Fourth Proportional to 479,951.09, 719,847.83 and 160,105.42

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Solution

The fourth proportional to 479,951.09, 719,847.83 and 160,105.42 is: 240,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,951.09 : 719,847.83 = 160,105.42 : x
  2. Step 2: Convert to fraction form
    479,951.09/719,847.83 = 160,105.42/x
  3. Step 3: Cross multiply
    479,951.09x = 719,847.83 × 160,105.42
  4. Step 4: Simplify right side
    479,951.09x = 115,251,535,158.74
  5. Step 5: Solve for x
    x = 115,251,535,158.74/479,951.09
  6. Step 6: Final answer
    x = 240,131.83

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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.