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Finding the Fourth Proportional to 70,033.93, 105,051.80 and 23,286.80

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Solution

The fourth proportional to 70,033.93, 105,051.80 and 23,286.80 is: 34,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.93 : 105,051.80 = 23,286.80 : x
  2. Step 2: Convert to fraction form
    70,033.93/105,051.80 = 23,286.80/x
  3. Step 3: Cross multiply
    70,033.93x = 105,051.80 × 23,286.80
  4. Step 4: Simplify right side
    70,033.93x = 2,446,320,577.09
  5. Step 5: Solve for x
    x = 2,446,320,577.09/70,033.93
  6. Step 6: Final answer
    x = 34,930.51

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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.