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Finding the Fourth Proportional to 144,751.68, 217,110.24 and 39,579.84

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Solution

The fourth proportional to 144,751.68, 217,110.24 and 39,579.84 is: 59,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,751.68 : 217,110.24 = 39,579.84 : x
  2. Step 2: Convert to fraction form
    144,751.68/217,110.24 = 39,579.84/x
  3. Step 3: Cross multiply
    144,751.68x = 217,110.24 × 39,579.84
  4. Step 4: Simplify right side
    144,751.68x = 8,593,188,561.56
  5. Step 5: Solve for x
    x = 8,593,188,561.56/144,751.68
  6. Step 6: Final answer
    x = 59,365.04

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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.