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Finding the Fourth Proportional to 184,067.60, 276,101.40 and 128,080.40

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Solution

The fourth proportional to 184,067.60, 276,101.40 and 128,080.40 is: 192,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,067.60 : 276,101.40 = 128,080.40 : x
  2. Step 2: Convert to fraction form
    184,067.60/276,101.40 = 128,080.40/x
  3. Step 3: Cross multiply
    184,067.60x = 276,101.40 × 128,080.40
  4. Step 4: Simplify right side
    184,067.60x = 35,363,177,752.56
  5. Step 5: Solve for x
    x = 35,363,177,752.56/184,067.60
  6. Step 6: Final answer
    x = 192,120.60

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1.5x scale

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.