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Finding the Fourth Proportional to 184,790.65, 255,021.06 and 108,311.26

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Solution

The fourth proportional to 184,790.65, 255,021.06 and 108,311.26 is: 149,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,790.65 : 255,021.06 = 108,311.26 : x
  2. Step 2: Convert to fraction form
    184,790.65/255,021.06 = 108,311.26/x
  3. Step 3: Cross multiply
    184,790.65x = 255,021.06 × 108,311.26
  4. Step 4: Simplify right side
    184,790.65x = 27,621,652,335.14
  5. Step 5: Solve for x
    x = 27,621,652,335.14/184,790.65
  6. Step 6: Final answer
    x = 149,475.38

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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.