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Finding the Fourth Proportional to 144,568.56, 216,982.44 and 121,023.48

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Solution

The fourth proportional to 144,568.56, 216,982.44 and 121,023.48 is: 181,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,568.56 : 216,982.44 = 121,023.48 : x
  2. Step 2: Convert to fraction form
    144,568.56/216,982.44 = 121,023.48/x
  3. Step 3: Cross multiply
    144,568.56x = 216,982.44 × 121,023.48
  4. Step 4: Simplify right side
    144,568.56x = 26,259,969,987.69
  5. Step 5: Solve for x
    x = 26,259,969,987.69/144,568.56
  6. Step 6: Final answer
    x = 181,643.71

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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.