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Finding the Fourth Proportional to 235,906.50, 325,550.97 and 129,922.50

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Solution

The fourth proportional to 235,906.50, 325,550.97 and 129,922.50 is: 179,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,906.50 : 325,550.97 = 129,922.50 : x
  2. Step 2: Convert to fraction form
    235,906.50/325,550.97 = 129,922.50/x
  3. Step 3: Cross multiply
    235,906.50x = 325,550.97 × 129,922.50
  4. Step 4: Simplify right side
    235,906.50x = 42,296,395,899.83
  5. Step 5: Solve for x
    x = 42,296,395,899.83/235,906.50
  6. Step 6: Final answer
    x = 179,293.05

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1.5x scale

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.