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Finding the Fourth Proportional to 262,932.60, 394,114.50 and 104,987.46

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Solution

The fourth proportional to 262,932.60, 394,114.50 and 104,987.46 is: 157,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,932.60 : 394,114.50 = 104,987.46 : x
  2. Step 2: Convert to fraction form
    262,932.60/394,114.50 = 104,987.46/x
  3. Step 3: Cross multiply
    262,932.60x = 394,114.50 × 104,987.46
  4. Step 4: Simplify right side
    262,932.60x = 41,377,080,304.17
  5. Step 5: Solve for x
    x = 41,377,080,304.17/262,932.60
  6. Step 6: Final answer
    x = 157,367.63

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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.