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Finding the Fourth Proportional to 70,705.50, 106,052.70 and 41,104.44

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Solution

The fourth proportional to 70,705.50, 106,052.70 and 41,104.44 is: 61,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.50 : 106,052.70 = 41,104.44 : x
  2. Step 2: Convert to fraction form
    70,705.50/106,052.70 = 41,104.44/x
  3. Step 3: Cross multiply
    70,705.50x = 106,052.70 × 41,104.44
  4. Step 4: Simplify right side
    70,705.50x = 4,359,236,843.99
  5. Step 5: Solve for x
    x = 4,359,236,843.99/70,705.50
  6. Step 6: Final answer
    x = 61,653.43

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1.5x scale

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.