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Finding the Fourth Proportional to 308,201.76, 462,436.29 and 108,664.74

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Solution

The fourth proportional to 308,201.76, 462,436.29 and 108,664.74 is: 163,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,201.76 : 462,436.29 = 108,664.74 : x
  2. Step 2: Convert to fraction form
    308,201.76/462,436.29 = 108,664.74/x
  3. Step 3: Cross multiply
    308,201.76x = 462,436.29 × 108,664.74
  4. Step 4: Simplify right side
    308,201.76x = 50,250,519,219.41
  5. Step 5: Solve for x
    x = 50,250,519,219.41/308,201.76
  6. Step 6: Final answer
    x = 163,044.23

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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.