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Finding the Fourth Proportional to 184,499.70, 276,749.55 and 105,621.90

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Solution

The fourth proportional to 184,499.70, 276,749.55 and 105,621.90 is: 158,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,499.70 : 276,749.55 = 105,621.90 : x
  2. Step 2: Convert to fraction form
    184,499.70/276,749.55 = 105,621.90/x
  3. Step 3: Cross multiply
    184,499.70x = 276,749.55 × 105,621.90
  4. Step 4: Simplify right side
    184,499.70x = 29,230,813,295.15
  5. Step 5: Solve for x
    x = 29,230,813,295.15/184,499.70
  6. Step 6: Final answer
    x = 158,432.85

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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.