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Finding the Fourth Proportional to 70,704.46, 106,051.19 and 41,103.40

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Solution

The fourth proportional to 70,704.46, 106,051.19 and 41,103.40 is: 61,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.46 : 106,051.19 = 41,103.40 : x
  2. Step 2: Convert to fraction form
    70,704.46/106,051.19 = 41,103.40/x
  3. Step 3: Cross multiply
    70,704.46x = 106,051.19 × 41,103.40
  4. Step 4: Simplify right side
    70,704.46x = 4,359,064,483.05
  5. Step 5: Solve for x
    x = 4,359,064,483.05/70,704.46
  6. Step 6: Final answer
    x = 61,651.90

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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.