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Finding the Fourth Proportional to 223,999.56, 335,830.41 and 135,231.98

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Solution

The fourth proportional to 223,999.56, 335,830.41 and 135,231.98 is: 202,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,999.56 : 335,830.41 = 135,231.98 : x
  2. Step 2: Convert to fraction form
    223,999.56/335,830.41 = 135,231.98/x
  3. Step 3: Cross multiply
    223,999.56x = 335,830.41 × 135,231.98
  4. Step 4: Simplify right side
    223,999.56x = 45,415,009,609.36
  5. Step 5: Solve for x
    x = 45,415,009,609.36/223,999.56
  6. Step 6: Final answer
    x = 202,745.98

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1.5x scale

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.