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Finding the Fourth Proportional to 141,954.68, 213,079.71 and 104,556.98

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Solution

The fourth proportional to 141,954.68, 213,079.71 and 104,556.98 is: 156,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,954.68 : 213,079.71 = 104,556.98 : x
  2. Step 2: Convert to fraction form
    141,954.68/213,079.71 = 104,556.98/x
  3. Step 3: Cross multiply
    141,954.68x = 213,079.71 × 104,556.98
  4. Step 4: Simplify right side
    141,954.68x = 22,278,970,976.88
  5. Step 5: Solve for x
    x = 22,278,970,976.88/141,954.68
  6. Step 6: Final answer
    x = 156,944.25

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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.