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Finding the Fourth Proportional to 223,343.89, 335,028.59 and 63,407.31

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Solution

The fourth proportional to 223,343.89, 335,028.59 and 63,407.31 is: 95,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,343.89 : 335,028.59 = 63,407.31 : x
  2. Step 2: Convert to fraction form
    223,343.89/335,028.59 = 63,407.31/x
  3. Step 3: Cross multiply
    223,343.89x = 335,028.59 × 63,407.31
  4. Step 4: Simplify right side
    223,343.89x = 21,243,261,664.99
  5. Step 5: Solve for x
    x = 21,243,261,664.99/223,343.89
  6. Step 6: Final answer
    x = 95,114.59

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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.