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Finding the Fourth Proportional to 273,588.37, 410,445.73 and 86,599.87

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Solution

The fourth proportional to 273,588.37, 410,445.73 and 86,599.87 is: 129,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,588.37 : 410,445.73 = 86,599.87 : x
  2. Step 2: Convert to fraction form
    273,588.37/410,445.73 = 86,599.87/x
  3. Step 3: Cross multiply
    273,588.37x = 410,445.73 × 86,599.87
  4. Step 4: Simplify right side
    273,588.37x = 35,544,545,942.19
  5. Step 5: Solve for x
    x = 35,544,545,942.19/273,588.37
  6. Step 6: Final answer
    x = 129,919.80

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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.