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Finding the Fourth Proportional to 260,474, 359,454.28 and 141,242

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Solution

The fourth proportional to 260,474, 359,454.28 and 141,242 is: 194,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,474 : 359,454.28 = 141,242 : x
  2. Step 2: Convert to fraction form
    260,474/359,454.28 = 141,242/x
  3. Step 3: Cross multiply
    260,474x = 359,454.28 × 141,242
  4. Step 4: Simplify right side
    260,474x = 50,770,041,415.76
  5. Step 5: Solve for x
    x = 50,770,041,415.76/260,474
  6. Step 6: Final answer
    x = 194,914.05

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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.