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Finding the Fourth Proportional to 199,221.60, 298,832.40 and 184,015.20

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Solution

The fourth proportional to 199,221.60, 298,832.40 and 184,015.20 is: 276,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,221.60 : 298,832.40 = 184,015.20 : x
  2. Step 2: Convert to fraction form
    199,221.60/298,832.40 = 184,015.20/x
  3. Step 3: Cross multiply
    199,221.60x = 298,832.40 × 184,015.20
  4. Step 4: Simplify right side
    199,221.60x = 54,989,703,852.48
  5. Step 5: Solve for x
    x = 54,989,703,852.48/199,221.60
  6. Step 6: Final answer
    x = 276,022.80

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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.