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Finding the Fourth Proportional to 70,704.49, 106,051.20 and 41,103.43

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Solution

The fourth proportional to 70,704.49, 106,051.20 and 41,103.43 is: 61,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.49 : 106,051.20 = 41,103.43 : x
  2. Step 2: Convert to fraction form
    70,704.49/106,051.20 = 41,103.43/x
  3. Step 3: Cross multiply
    70,704.49x = 106,051.20 × 41,103.43
  4. Step 4: Simplify right side
    70,704.49x = 4,359,068,075.62
  5. Step 5: Solve for x
    x = 4,359,068,075.62/70,704.49
  6. Step 6: Final answer
    x = 61,651.93

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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.