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Finding the Fourth Proportional to 144,673.68, 217,150.80 and 69,846.60

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Solution

The fourth proportional to 144,673.68, 217,150.80 and 69,846.60 is: 104,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,673.68 : 217,150.80 = 69,846.60 : x
  2. Step 2: Convert to fraction form
    144,673.68/217,150.80 = 69,846.60/x
  3. Step 3: Cross multiply
    144,673.68x = 217,150.80 × 69,846.60
  4. Step 4: Simplify right side
    144,673.68x = 15,167,245,067.28
  5. Step 5: Solve for x
    x = 15,167,245,067.28/144,673.68
  6. Step 6: Final answer
    x = 104,837.63

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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.