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Finding the Fourth Proportional to 143,262.74, 214,843.26 and 42,032.54

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Solution

The fourth proportional to 143,262.74, 214,843.26 and 42,032.54 is: 63,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,262.74 : 214,843.26 = 42,032.54 : x
  2. Step 2: Convert to fraction form
    143,262.74/214,843.26 = 42,032.54/x
  3. Step 3: Cross multiply
    143,262.74x = 214,843.26 × 42,032.54
  4. Step 4: Simplify right side
    143,262.74x = 9,030,407,919.68
  5. Step 5: Solve for x
    x = 9,030,407,919.68/143,262.74
  6. Step 6: Final answer
    x = 63,033.89

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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.