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Finding the Fourth Proportional to 227,039.60, 340,575.60 and 69,267.80

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Solution

The fourth proportional to 227,039.60, 340,575.60 and 69,267.80 is: 103,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,039.60 : 340,575.60 = 69,267.80 : x
  2. Step 2: Convert to fraction form
    227,039.60/340,575.60 = 69,267.80/x
  3. Step 3: Cross multiply
    227,039.60x = 340,575.60 × 69,267.80
  4. Step 4: Simplify right side
    227,039.60x = 23,590,922,545.68
  5. Step 5: Solve for x
    x = 23,590,922,545.68/227,039.60
  6. Step 6: Final answer
    x = 103,906.64

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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.