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Finding the Fourth Proportional to 213,804.45, 293,478.29 and 189,063.27

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Solution

The fourth proportional to 213,804.45, 293,478.29 and 189,063.27 is: 259,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,804.45 : 293,478.29 = 189,063.27 : x
  2. Step 2: Convert to fraction form
    213,804.45/293,478.29 = 189,063.27/x
  3. Step 3: Cross multiply
    213,804.45x = 293,478.29 × 189,063.27
  4. Step 4: Simplify right side
    213,804.45x = 55,485,964,236.09
  5. Step 5: Solve for x
    x = 55,485,964,236.09/213,804.45
  6. Step 6: Final answer
    x = 259,517.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.