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Finding the Fourth Proportional to 308,433.52, 462,653.46 and 108,716.68

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Solution

The fourth proportional to 308,433.52, 462,653.46 and 108,716.68 is: 163,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,433.52 : 462,653.46 = 108,716.68 : x
  2. Step 2: Convert to fraction form
    308,433.52/462,653.46 = 108,716.68/x
  3. Step 3: Cross multiply
    308,433.52x = 462,653.46 × 108,716.68
  4. Step 4: Simplify right side
    308,433.52x = 50,298,148,161.71
  5. Step 5: Solve for x
    x = 50,298,148,161.71/308,433.52
  6. Step 6: Final answer
    x = 163,076.14

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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.