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Finding the Fourth Proportional to 223,776.88, 335,665.32 and 65,993.03

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Solution

The fourth proportional to 223,776.88, 335,665.32 and 65,993.03 is: 98,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,776.88 : 335,665.32 = 65,993.03 : x
  2. Step 2: Convert to fraction form
    223,776.88/335,665.32 = 65,993.03/x
  3. Step 3: Cross multiply
    223,776.88x = 335,665.32 × 65,993.03
  4. Step 4: Simplify right side
    223,776.88x = 22,151,570,865.66
  5. Step 5: Solve for x
    x = 22,151,570,865.66/223,776.88
  6. Step 6: Final answer
    x = 98,989.54

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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.