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Finding the Fourth Proportional to 184,991.94, 255,288.44 and 100,109.07

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Solution

The fourth proportional to 184,991.94, 255,288.44 and 100,109.07 is: 138,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,991.94 : 255,288.44 = 100,109.07 : x
  2. Step 2: Convert to fraction form
    184,991.94/255,288.44 = 100,109.07/x
  3. Step 3: Cross multiply
    184,991.94x = 255,288.44 × 100,109.07
  4. Step 4: Simplify right side
    184,991.94x = 25,556,688,560.42
  5. Step 5: Solve for x
    x = 25,556,688,560.42/184,991.94
  6. Step 6: Final answer
    x = 138,150.28

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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.