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Finding the Fourth Proportional to 70,263.44, 105,396.53 and 25,867.34

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Solution

The fourth proportional to 70,263.44, 105,396.53 and 25,867.34 is: 38,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.44 : 105,396.53 = 25,867.34 : x
  2. Step 2: Convert to fraction form
    70,263.44/105,396.53 = 25,867.34/x
  3. Step 3: Cross multiply
    70,263.44x = 105,396.53 × 25,867.34
  4. Step 4: Simplify right side
    70,263.44x = 2,726,327,220.01
  5. Step 5: Solve for x
    x = 2,726,327,220.01/70,263.44
  6. Step 6: Final answer
    x = 38,801.51

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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.