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Finding the Fourth Proportional to 202,620.86, 303,659.59 and 157,696.46

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Solution

The fourth proportional to 202,620.86, 303,659.59 and 157,696.46 is: 236,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,620.86 : 303,659.59 = 157,696.46 : x
  2. Step 2: Convert to fraction form
    202,620.86/303,659.59 = 157,696.46/x
  3. Step 3: Cross multiply
    202,620.86x = 303,659.59 × 157,696.46
  4. Step 4: Simplify right side
    202,620.86x = 47,886,042,388.05
  5. Step 5: Solve for x
    x = 47,886,042,388.05/202,620.86
  6. Step 6: Final answer
    x = 236,333.23

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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.