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Finding the Fourth Proportional to 223,620.48, 335,404.80 and 122,448.96

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Solution

The fourth proportional to 223,620.48, 335,404.80 and 122,448.96 is: 183,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,620.48 : 335,404.80 = 122,448.96 : x
  2. Step 2: Convert to fraction form
    223,620.48/335,404.80 = 122,448.96/x
  3. Step 3: Cross multiply
    223,620.48x = 335,404.80 × 122,448.96
  4. Step 4: Simplify right side
    223,620.48x = 41,069,968,939.01
  5. Step 5: Solve for x
    x = 41,069,968,939.01/223,620.48
  6. Step 6: Final answer
    x = 183,659.25

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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.