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Finding the Fourth Proportional to 184,586.10, 276,879.15 and 100,386.60

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Solution

The fourth proportional to 184,586.10, 276,879.15 and 100,386.60 is: 150,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,586.10 : 276,879.15 = 100,386.60 : x
  2. Step 2: Convert to fraction form
    184,586.10/276,879.15 = 100,386.60/x
  3. Step 3: Cross multiply
    184,586.10x = 276,879.15 × 100,386.60
  4. Step 4: Simplify right side
    184,586.10x = 27,794,956,479.39
  5. Step 5: Solve for x
    x = 27,794,956,479.39/184,586.10
  6. Step 6: Final answer
    x = 150,579.90

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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.