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Finding the Fourth Proportional to 73,318.77, 109,976.81 and 23,398.47

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Solution

The fourth proportional to 73,318.77, 109,976.81 and 23,398.47 is: 35,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.77 : 109,976.81 = 23,398.47 : x
  2. Step 2: Convert to fraction form
    73,318.77/109,976.81 = 23,398.47/x
  3. Step 3: Cross multiply
    73,318.77x = 109,976.81 × 23,398.47
  4. Step 4: Simplify right side
    73,318.77x = 2,573,288,972.49
  5. Step 5: Solve for x
    x = 2,573,288,972.49/73,318.77
  6. Step 6: Final answer
    x = 35,097.27

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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.