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Finding the Fourth Proportional to 202,323.20, 303,620.24 and 83,994.64

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Solution

The fourth proportional to 202,323.20, 303,620.24 and 83,994.64 is: 126,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,323.20 : 303,620.24 = 83,994.64 : x
  2. Step 2: Convert to fraction form
    202,323.20/303,620.24 = 83,994.64/x
  3. Step 3: Cross multiply
    202,323.20x = 303,620.24 × 83,994.64
  4. Step 4: Simplify right side
    202,323.20x = 25,502,472,755.51
  5. Step 5: Solve for x
    x = 25,502,472,755.51/202,323.20
  6. Step 6: Final answer
    x = 126,048.19

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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.