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Finding the Fourth Proportional to 100,997.00, 151,496.81 and 48,394.17

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Solution

The fourth proportional to 100,997.00, 151,496.81 and 48,394.17 is: 72,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,997.00 : 151,496.81 = 48,394.17 : x
  2. Step 2: Convert to fraction form
    100,997.00/151,496.81 = 48,394.17/x
  3. Step 3: Cross multiply
    100,997.00x = 151,496.81 × 48,394.17
  4. Step 4: Simplify right side
    100,997.00x = 7,331,562,135.63
  5. Step 5: Solve for x
    x = 7,331,562,135.63/100,997.00
  6. Step 6: Final answer
    x = 72,591.88

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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.