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Finding the Fourth Proportional to 70,269.56, 105,405.14 and 23,522.52

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Solution

The fourth proportional to 70,269.56, 105,405.14 and 23,522.52 is: 35,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,269.56 : 105,405.14 = 23,522.52 : x
  2. Step 2: Convert to fraction form
    70,269.56/105,405.14 = 23,522.52/x
  3. Step 3: Cross multiply
    70,269.56x = 105,405.14 × 23,522.52
  4. Step 4: Simplify right side
    70,269.56x = 2,479,394,513.75
  5. Step 5: Solve for x
    x = 2,479,394,513.75/70,269.56
  6. Step 6: Final answer
    x = 35,284.05

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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.