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Finding the Fourth Proportional to 70,230.26, 96,968.52 and 43,409.54

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Solution

The fourth proportional to 70,230.26, 96,968.52 and 43,409.54 is: 59,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.26 : 96,968.52 = 43,409.54 : x
  2. Step 2: Convert to fraction form
    70,230.26/96,968.52 = 43,409.54/x
  3. Step 3: Cross multiply
    70,230.26x = 96,968.52 × 43,409.54
  4. Step 4: Simplify right side
    70,230.26x = 4,209,358,847.68
  5. Step 5: Solve for x
    x = 4,209,358,847.68/70,230.26
  6. Step 6: Final answer
    x = 59,936.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.