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Finding the Fourth Proportional to 270,203.36, 405,086.40 and 112,550.24

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Solution

The fourth proportional to 270,203.36, 405,086.40 and 112,550.24 is: 168,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,203.36 : 405,086.40 = 112,550.24 : x
  2. Step 2: Convert to fraction form
    270,203.36/405,086.40 = 112,550.24/x
  3. Step 3: Cross multiply
    270,203.36x = 405,086.40 × 112,550.24
  4. Step 4: Simplify right side
    270,203.36x = 45,592,571,540.74
  5. Step 5: Solve for x
    x = 45,592,571,540.74/270,203.36
  6. Step 6: Final answer
    x = 168,734.29

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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.