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Finding the Fourth Proportional to 67,773.66, 101,615.13 and 26,172.06

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Solution

The fourth proportional to 67,773.66, 101,615.13 and 26,172.06 is: 39,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,773.66 : 101,615.13 = 26,172.06 : x
  2. Step 2: Convert to fraction form
    67,773.66/101,615.13 = 26,172.06/x
  3. Step 3: Cross multiply
    67,773.66x = 101,615.13 × 26,172.06
  4. Step 4: Simplify right side
    67,773.66x = 2,659,477,279.27
  5. Step 5: Solve for x
    x = 2,659,477,279.27/67,773.66
  6. Step 6: Final answer
    x = 39,240.57

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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.