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Finding the Fourth Proportional to 308,561.36, 462,896.88 and 108,997.52

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Solution

The fourth proportional to 308,561.36, 462,896.88 and 108,997.52 is: 163,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,561.36 : 462,896.88 = 108,997.52 : x
  2. Step 2: Convert to fraction form
    308,561.36/462,896.88 = 108,997.52/x
  3. Step 3: Cross multiply
    308,561.36x = 462,896.88 × 108,997.52
  4. Step 4: Simplify right side
    308,561.36x = 50,454,611,935.74
  5. Step 5: Solve for x
    x = 50,454,611,935.74/308,561.36
  6. Step 6: Final answer
    x = 163,515.65

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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.