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Finding the Fourth Proportional to 197,172.84, 295,876.38 and 72,601.32

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Solution

The fourth proportional to 197,172.84, 295,876.38 and 72,601.32 is: 108,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,172.84 : 295,876.38 = 72,601.32 : x
  2. Step 2: Convert to fraction form
    197,172.84/295,876.38 = 72,601.32/x
  3. Step 3: Cross multiply
    197,172.84x = 295,876.38 × 72,601.32
  4. Step 4: Simplify right side
    197,172.84x = 21,481,015,744.82
  5. Step 5: Solve for x
    x = 21,481,015,744.82/197,172.84
  6. Step 6: Final answer
    x = 108,945.10

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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.