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Finding the Fourth Proportional to 70,194.95, 105,334.11 and 25,852.81

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Solution

The fourth proportional to 70,194.95, 105,334.11 and 25,852.81 is: 38,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.95 : 105,334.11 = 25,852.81 : x
  2. Step 2: Convert to fraction form
    70,194.95/105,334.11 = 25,852.81/x
  3. Step 3: Cross multiply
    70,194.95x = 105,334.11 × 25,852.81
  4. Step 4: Simplify right side
    70,194.95x = 2,723,182,469.01
  5. Step 5: Solve for x
    x = 2,723,182,469.01/70,194.95
  6. Step 6: Final answer
    x = 38,794.56

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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.