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Finding the Fourth Proportional to 168,038.89, 252,051.80 and 41,679.45

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Solution

The fourth proportional to 168,038.89, 252,051.80 and 41,679.45 is: 62,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038.89 : 252,051.80 = 41,679.45 : x
  2. Step 2: Convert to fraction form
    168,038.89/252,051.80 = 41,679.45/x
  3. Step 3: Cross multiply
    168,038.89x = 252,051.80 × 41,679.45
  4. Step 4: Simplify right side
    168,038.89x = 10,505,380,395.51
  5. Step 5: Solve for x
    x = 10,505,380,395.51/168,038.89
  6. Step 6: Final answer
    x = 62,517.55

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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.