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Finding the Fourth Proportional to 273,588.93, 410,446.58 and 86,600.43

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Solution

The fourth proportional to 273,588.93, 410,446.58 and 86,600.43 is: 129,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,588.93 : 410,446.58 = 86,600.43 : x
  2. Step 2: Convert to fraction form
    273,588.93/410,446.58 = 86,600.43/x
  3. Step 3: Cross multiply
    273,588.93x = 410,446.58 × 86,600.43
  4. Step 4: Simplify right side
    273,588.93x = 35,544,849,887.03
  5. Step 5: Solve for x
    x = 35,544,849,887.03/273,588.93
  6. Step 6: Final answer
    x = 129,920.64

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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.