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Finding the Fourth Proportional to 223,866.63, 335,719.31 and 74,079.27

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Solution

The fourth proportional to 223,866.63, 335,719.31 and 74,079.27 is: 111,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,866.63 : 335,719.31 = 74,079.27 : x
  2. Step 2: Convert to fraction form
    223,866.63/335,719.31 = 74,079.27/x
  3. Step 3: Cross multiply
    223,866.63x = 335,719.31 × 74,079.27
  4. Step 4: Simplify right side
    223,866.63x = 24,869,841,039.31
  5. Step 5: Solve for x
    x = 24,869,841,039.31/223,866.63
  6. Step 6: Final answer
    x = 111,092.22

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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.