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Finding the Fourth Proportional to 69,124.52, 95,357.70 and 43,982.12

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Solution

The fourth proportional to 69,124.52, 95,357.70 and 43,982.12 is: 60,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.52 : 95,357.70 = 43,982.12 : x
  2. Step 2: Convert to fraction form
    69,124.52/95,357.70 = 43,982.12/x
  3. Step 3: Cross multiply
    69,124.52x = 95,357.70 × 43,982.12
  4. Step 4: Simplify right side
    69,124.52x = 4,194,033,804.32
  5. Step 5: Solve for x
    x = 4,194,033,804.32/69,124.52
  6. Step 6: Final answer
    x = 60,673.60

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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.