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Finding the Fourth Proportional to 308,289.87, 462,471.86 and 108,568.98

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Solution

The fourth proportional to 308,289.87, 462,471.86 and 108,568.98 is: 162,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,289.87 : 462,471.86 = 108,568.98 : x
  2. Step 2: Convert to fraction form
    308,289.87/462,471.86 = 108,568.98/x
  3. Step 3: Cross multiply
    308,289.87x = 462,471.86 × 108,568.98
  4. Step 4: Simplify right side
    308,289.87x = 50,210,098,118.90
  5. Step 5: Solve for x
    x = 50,210,098,118.90/308,289.87
  6. Step 6: Final answer
    x = 162,866.52

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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.