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Finding the Fourth Proportional to 70,760.88, 106,148.75 and 35,231.01

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Solution

The fourth proportional to 70,760.88, 106,148.75 and 35,231.01 is: 52,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,760.88 : 106,148.75 = 35,231.01 : x
  2. Step 2: Convert to fraction form
    70,760.88/106,148.75 = 35,231.01/x
  3. Step 3: Cross multiply
    70,760.88x = 106,148.75 × 35,231.01
  4. Step 4: Simplify right side
    70,760.88x = 3,739,727,496.58
  5. Step 5: Solve for x
    x = 3,739,727,496.58/70,760.88
  6. Step 6: Final answer
    x = 52,850.21

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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.