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Finding the Fourth Proportional to 273,408.90, 410,134.77 and 73,726.26

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Solution

The fourth proportional to 273,408.90, 410,134.77 and 73,726.26 is: 110,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,408.90 : 410,134.77 = 73,726.26 : x
  2. Step 2: Convert to fraction form
    273,408.90/410,134.77 = 73,726.26/x
  3. Step 3: Cross multiply
    273,408.90x = 410,134.77 × 73,726.26
  4. Step 4: Simplify right side
    273,408.90x = 30,237,702,688.06
  5. Step 5: Solve for x
    x = 30,237,702,688.06/273,408.90
  6. Step 6: Final answer
    x = 110,595.17

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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.