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Finding the Fourth Proportional to 144,741.69, 217,118.63 and 39,560.37

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Solution

The fourth proportional to 144,741.69, 217,118.63 and 39,560.37 is: 59,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,741.69 : 217,118.63 = 39,560.37 : x
  2. Step 2: Convert to fraction form
    144,741.69/217,118.63 = 39,560.37/x
  3. Step 3: Cross multiply
    144,741.69x = 217,118.63 × 39,560.37
  4. Step 4: Simplify right side
    144,741.69x = 8,589,293,138.89
  5. Step 5: Solve for x
    x = 8,589,293,138.89/144,741.69
  6. Step 6: Final answer
    x = 59,342.22

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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.