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Finding the Fourth Proportional to 260,244, 359,137.20 and 141,012

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Solution

The fourth proportional to 260,244, 359,137.20 and 141,012 is: 194,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,244 : 359,137.20 = 141,012 : x
  2. Step 2: Convert to fraction form
    260,244/359,137.20 = 141,012/x
  3. Step 3: Cross multiply
    260,244x = 359,137.20 × 141,012
  4. Step 4: Simplify right side
    260,244x = 50,642,654,846.40
  5. Step 5: Solve for x
    x = 50,642,654,846.40/260,244
  6. Step 6: Final answer
    x = 194,596.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.