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Finding the Fourth Proportional to 67,806.38, 101,709.57 and 26,253.38

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Solution

The fourth proportional to 67,806.38, 101,709.57 and 26,253.38 is: 39,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,806.38 : 101,709.57 = 26,253.38 : x
  2. Step 2: Convert to fraction form
    67,806.38/101,709.57 = 26,253.38/x
  3. Step 3: Cross multiply
    67,806.38x = 101,709.57 × 26,253.38
  4. Step 4: Simplify right side
    67,806.38x = 2,670,219,482.30
  5. Step 5: Solve for x
    x = 2,670,219,482.30/67,806.38
  6. Step 6: Final answer
    x = 39,380.07

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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.