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Finding the Fourth Proportional to 70,599.38, 105,912.11 and 23,217.08

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Solution

The fourth proportional to 70,599.38, 105,912.11 and 23,217.08 is: 34,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,599.38 : 105,912.11 = 23,217.08 : x
  2. Step 2: Convert to fraction form
    70,599.38/105,912.11 = 23,217.08/x
  3. Step 3: Cross multiply
    70,599.38x = 105,912.11 × 23,217.08
  4. Step 4: Simplify right side
    70,599.38x = 2,458,969,459.32
  5. Step 5: Solve for x
    x = 2,458,969,459.32/70,599.38
  6. Step 6: Final answer
    x = 34,829.90

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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.