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Finding the Fourth Proportional to 273,748.08, 410,633.76 and 86,755.44

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Solution

The fourth proportional to 273,748.08, 410,633.76 and 86,755.44 is: 130,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,748.08 : 410,633.76 = 86,755.44 : x
  2. Step 2: Convert to fraction form
    273,748.08/410,633.76 = 86,755.44/x
  3. Step 3: Cross multiply
    273,748.08x = 410,633.76 × 86,755.44
  4. Step 4: Simplify right side
    273,748.08x = 35,624,712,527.65
  5. Step 5: Solve for x
    x = 35,624,712,527.65/273,748.08
  6. Step 6: Final answer
    x = 130,136.85

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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.