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Finding the Fourth Proportional to 70,033.67, 105,051.42 and 23,286.55

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Solution

The fourth proportional to 70,033.67, 105,051.42 and 23,286.55 is: 34,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.67 : 105,051.42 = 23,286.55 : x
  2. Step 2: Convert to fraction form
    70,033.67/105,051.42 = 23,286.55/x
  3. Step 3: Cross multiply
    70,033.67x = 105,051.42 × 23,286.55
  4. Step 4: Simplify right side
    70,033.67x = 2,446,285,144.40
  5. Step 5: Solve for x
    x = 2,446,285,144.40/70,033.67
  6. Step 6: Final answer
    x = 34,930.13

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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.