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Finding the Fourth Proportional to 69,289.55, 103,674.31 and 41,106.41

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Solution

The fourth proportional to 69,289.55, 103,674.31 and 41,106.41 is: 61,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,289.55 : 103,674.31 = 41,106.41 : x
  2. Step 2: Convert to fraction form
    69,289.55/103,674.31 = 41,106.41/x
  3. Step 3: Cross multiply
    69,289.55x = 103,674.31 × 41,106.41
  4. Step 4: Simplify right side
    69,289.55x = 4,261,678,693.33
  5. Step 5: Solve for x
    x = 4,261,678,693.33/69,289.55
  6. Step 6: Final answer
    x = 61,505.36

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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.