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Finding the Fourth Proportional to 198,574.56, 297,891 and 58,314.96

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Solution

The fourth proportional to 198,574.56, 297,891 and 58,314.96 is: 87,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,574.56 : 297,891 = 58,314.96 : x
  2. Step 2: Convert to fraction form
    198,574.56/297,891 = 58,314.96/x
  3. Step 3: Cross multiply
    198,574.56x = 297,891 × 58,314.96
  4. Step 4: Simplify right side
    198,574.56x = 17,371,501,749.36
  5. Step 5: Solve for x
    x = 17,371,501,749.36/198,574.56
  6. Step 6: Final answer
    x = 87,481.00

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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.