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Finding the Fourth Proportional to 308,204.76, 462,440.79 and 108,667.74

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Solution

The fourth proportional to 308,204.76, 462,440.79 and 108,667.74 is: 163,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,204.76 : 462,440.79 = 108,667.74 : x
  2. Step 2: Convert to fraction form
    308,204.76/462,440.79 = 108,667.74/x
  3. Step 3: Cross multiply
    308,204.76x = 462,440.79 × 108,667.74
  4. Step 4: Simplify right side
    308,204.76x = 50,252,395,533.11
  5. Step 5: Solve for x
    x = 50,252,395,533.11/308,204.76
  6. Step 6: Final answer
    x = 163,048.73

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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.