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Finding the Fourth Proportional to 144,596.80, 199,273.12 and 104,241.79

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Solution

The fourth proportional to 144,596.80, 199,273.12 and 104,241.79 is: 143,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,596.80 : 199,273.12 = 104,241.79 : x
  2. Step 2: Convert to fraction form
    144,596.80/199,273.12 = 104,241.79/x
  3. Step 3: Cross multiply
    144,596.80x = 199,273.12 × 104,241.79
  4. Step 4: Simplify right side
    144,596.80x = 20,772,586,727.68
  5. Step 5: Solve for x
    x = 20,772,586,727.68/144,596.80
  6. Step 6: Final answer
    x = 143,658.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.