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Finding the Fourth Proportional to 73,122.64, 109,671 and 26,375.92

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Solution

The fourth proportional to 73,122.64, 109,671 and 26,375.92 is: 39,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.64 : 109,671 = 26,375.92 : x
  2. Step 2: Convert to fraction form
    73,122.64/109,671 = 26,375.92/x
  3. Step 3: Cross multiply
    73,122.64x = 109,671 × 26,375.92
  4. Step 4: Simplify right side
    73,122.64x = 2,892,673,522.32
  5. Step 5: Solve for x
    x = 2,892,673,522.32/73,122.64
  6. Step 6: Final answer
    x = 39,559.21

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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.