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Finding the Fourth Proportional to 131,930.70, 197,896.03 and 58,058.70

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Solution

The fourth proportional to 131,930.70, 197,896.03 and 58,058.70 is: 87,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,930.70 : 197,896.03 = 58,058.70 : x
  2. Step 2: Convert to fraction form
    131,930.70/197,896.03 = 58,058.70/x
  3. Step 3: Cross multiply
    131,930.70x = 197,896.03 × 58,058.70
  4. Step 4: Simplify right side
    131,930.70x = 11,489,586,236.96
  5. Step 5: Solve for x
    x = 11,489,586,236.96/131,930.70
  6. Step 6: Final answer
    x = 87,088.04

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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.