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Finding the Fourth Proportional to 70,003.99, 105,039.77 and 34,446.02

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Solution

The fourth proportional to 70,003.99, 105,039.77 and 34,446.02 is: 51,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.99 : 105,039.77 = 34,446.02 : x
  2. Step 2: Convert to fraction form
    70,003.99/105,039.77 = 34,446.02/x
  3. Step 3: Cross multiply
    70,003.99x = 105,039.77 × 34,446.02
  4. Step 4: Simplify right side
    70,003.99x = 3,618,202,018.22
  5. Step 5: Solve for x
    x = 3,618,202,018.22/70,003.99
  6. Step 6: Final answer
    x = 51,685.65

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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.