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Finding the Fourth Proportional to 172,832.80, 259,249.20 and 116,845.60

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Solution

The fourth proportional to 172,832.80, 259,249.20 and 116,845.60 is: 175,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,832.80 : 259,249.20 = 116,845.60 : x
  2. Step 2: Convert to fraction form
    172,832.80/259,249.20 = 116,845.60/x
  3. Step 3: Cross multiply
    172,832.80x = 259,249.20 × 116,845.60
  4. Step 4: Simplify right side
    172,832.80x = 30,292,128,323.52
  5. Step 5: Solve for x
    x = 30,292,128,323.52/172,832.80
  6. Step 6: Final answer
    x = 175,268.40

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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.