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Finding the Fourth Proportional to 308,489.23, 462,803.03 and 108,811.27

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Solution

The fourth proportional to 308,489.23, 462,803.03 and 108,811.27 is: 163,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,489.23 : 462,803.03 = 108,811.27 : x
  2. Step 2: Convert to fraction form
    308,489.23/462,803.03 = 108,811.27/x
  3. Step 3: Cross multiply
    308,489.23x = 462,803.03 × 108,811.27
  4. Step 4: Simplify right side
    308,489.23x = 50,358,185,454.15
  5. Step 5: Solve for x
    x = 50,358,185,454.15/308,489.23
  6. Step 6: Final answer
    x = 163,241.31

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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.