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Finding the Fourth Proportional to 241,138.81, 361,704.57 and 100,897.44

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Solution

The fourth proportional to 241,138.81, 361,704.57 and 100,897.44 is: 151,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,138.81 : 361,704.57 = 100,897.44 : x
  2. Step 2: Convert to fraction form
    241,138.81/361,704.57 = 100,897.44/x
  3. Step 3: Cross multiply
    241,138.81x = 361,704.57 × 100,897.44
  4. Step 4: Simplify right side
    241,138.81x = 36,495,065,149.30
  5. Step 5: Solve for x
    x = 36,495,065,149.30/241,138.81
  6. Step 6: Final answer
    x = 151,344.63

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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.