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Finding the Fourth Proportional to 184,637.70, 276,942.15 and 72,296.10

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Solution

The fourth proportional to 184,637.70, 276,942.15 and 72,296.10 is: 108,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,637.70 : 276,942.15 = 72,296.10 : x
  2. Step 2: Convert to fraction form
    184,637.70/276,942.15 = 72,296.10/x
  3. Step 3: Cross multiply
    184,637.70x = 276,942.15 × 72,296.10
  4. Step 4: Simplify right side
    184,637.70x = 20,021,837,370.62
  5. Step 5: Solve for x
    x = 20,021,837,370.62/184,637.70
  6. Step 6: Final answer
    x = 108,438.51

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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.