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Finding the Fourth Proportional to 70,694.44, 106,019.18 and 23,300.70

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Solution

The fourth proportional to 70,694.44, 106,019.18 and 23,300.70 is: 34,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,694.44 : 106,019.18 = 23,300.70 : x
  2. Step 2: Convert to fraction form
    70,694.44/106,019.18 = 23,300.70/x
  3. Step 3: Cross multiply
    70,694.44x = 106,019.18 × 23,300.70
  4. Step 4: Simplify right side
    70,694.44x = 2,470,320,460.83
  5. Step 5: Solve for x
    x = 2,470,320,460.83/70,694.44
  6. Step 6: Final answer
    x = 34,943.63

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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.