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Finding the Fourth Proportional to 73,408.06, 101,303.22 and 39,874.06

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Solution

The fourth proportional to 73,408.06, 101,303.22 and 39,874.06 is: 55,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,408.06 : 101,303.22 = 39,874.06 : x
  2. Step 2: Convert to fraction form
    73,408.06/101,303.22 = 39,874.06/x
  3. Step 3: Cross multiply
    73,408.06x = 101,303.22 × 39,874.06
  4. Step 4: Simplify right side
    73,408.06x = 4,039,370,672.47
  5. Step 5: Solve for x
    x = 4,039,370,672.47/73,408.06
  6. Step 6: Final answer
    x = 55,026.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.