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Finding the Fourth Proportional to 197,687.70, 272,804 and 110,473.54

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Solution

The fourth proportional to 197,687.70, 272,804 and 110,473.54 is: 152,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,687.70 : 272,804 = 110,473.54 : x
  2. Step 2: Convert to fraction form
    197,687.70/272,804 = 110,473.54/x
  3. Step 3: Cross multiply
    197,687.70x = 272,804 × 110,473.54
  4. Step 4: Simplify right side
    197,687.70x = 30,137,623,606.16
  5. Step 5: Solve for x
    x = 30,137,623,606.16/197,687.70
  6. Step 6: Final answer
    x = 152,450.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.