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Finding the Fourth Proportional to 273,859.92, 410,835.24 and 86,916.24

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Solution

The fourth proportional to 273,859.92, 410,835.24 and 86,916.24 is: 130,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,859.92 : 410,835.24 = 86,916.24 : x
  2. Step 2: Convert to fraction form
    273,859.92/410,835.24 = 86,916.24/x
  3. Step 3: Cross multiply
    273,859.92x = 410,835.24 × 86,916.24
  4. Step 4: Simplify right side
    273,859.92x = 35,708,254,320.30
  5. Step 5: Solve for x
    x = 35,708,254,320.30/273,859.92
  6. Step 6: Final answer
    x = 130,388.76

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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.