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Finding the Fourth Proportional to 73,692.06, 110,538.09 and 26,919.42

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Solution

The fourth proportional to 73,692.06, 110,538.09 and 26,919.42 is: 40,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,692.06 : 110,538.09 = 26,919.42 : x
  2. Step 2: Convert to fraction form
    73,692.06/110,538.09 = 26,919.42/x
  3. Step 3: Cross multiply
    73,692.06x = 110,538.09 × 26,919.42
  4. Step 4: Simplify right side
    73,692.06x = 2,975,621,270.71
  5. Step 5: Solve for x
    x = 2,975,621,270.71/73,692.06
  6. Step 6: Final answer
    x = 40,379.13

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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.