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Finding the Fourth Proportional to 202,620.70, 303,659.38 and 157,696.32

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Solution

The fourth proportional to 202,620.70, 303,659.38 and 157,696.32 is: 236,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,620.70 : 303,659.38 = 157,696.32 : x
  2. Step 2: Convert to fraction form
    202,620.70/303,659.38 = 157,696.32/x
  3. Step 3: Cross multiply
    202,620.70x = 303,659.38 × 157,696.32
  4. Step 4: Simplify right side
    202,620.70x = 47,885,966,759.48
  5. Step 5: Solve for x
    x = 47,885,966,759.48/202,620.70
  6. Step 6: Final answer
    x = 236,333.04

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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.