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Finding the Fourth Proportional to 86,951.56, 130,471.82 and 41,410.82

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Solution

The fourth proportional to 86,951.56, 130,471.82 and 41,410.82 is: 62,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.56 : 130,471.82 = 41,410.82 : x
  2. Step 2: Convert to fraction form
    86,951.56/130,471.82 = 41,410.82/x
  3. Step 3: Cross multiply
    86,951.56x = 130,471.82 × 41,410.82
  4. Step 4: Simplify right side
    86,951.56x = 5,402,944,193.68
  5. Step 5: Solve for x
    x = 5,402,944,193.68/86,951.56
  6. Step 6: Final answer
    x = 62,137.41

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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.