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Finding the Fourth Proportional to 223,751.20, 335,626.40 and 66,090.37

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Solution

The fourth proportional to 223,751.20, 335,626.40 and 66,090.37 is: 99,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,751.20 : 335,626.40 = 66,090.37 : x
  2. Step 2: Convert to fraction form
    223,751.20/335,626.40 = 66,090.37/x
  3. Step 3: Cross multiply
    223,751.20x = 335,626.40 × 66,090.37
  4. Step 4: Simplify right side
    223,751.20x = 22,181,672,957.77
  5. Step 5: Solve for x
    x = 22,181,672,957.77/223,751.20
  6. Step 6: Final answer
    x = 99,135.44

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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.