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Finding the Fourth Proportional to 223,804.66, 335,739.78 and 66,012.58

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Solution

The fourth proportional to 223,804.66, 335,739.78 and 66,012.58 is: 99,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,804.66 : 335,739.78 = 66,012.58 : x
  2. Step 2: Convert to fraction form
    223,804.66/335,739.78 = 66,012.58/x
  3. Step 3: Cross multiply
    223,804.66x = 335,739.78 × 66,012.58
  4. Step 4: Simplify right side
    223,804.66x = 22,163,049,086.43
  5. Step 5: Solve for x
    x = 22,163,049,086.43/223,804.66
  6. Step 6: Final answer
    x = 99,028.54

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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.