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Finding the Fourth Proportional to 70,739.76, 106,110.86 and 23,993.84

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Solution

The fourth proportional to 70,739.76, 106,110.86 and 23,993.84 is: 35,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739.76 : 106,110.86 = 23,993.84 : x
  2. Step 2: Convert to fraction form
    70,739.76/106,110.86 = 23,993.84/x
  3. Step 3: Cross multiply
    70,739.76x = 106,110.86 × 23,993.84
  4. Step 4: Simplify right side
    70,739.76x = 2,546,006,997.10
  5. Step 5: Solve for x
    x = 2,546,006,997.10/70,739.76
  6. Step 6: Final answer
    x = 35,991.17

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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.