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Finding the Fourth Proportional to 69,241.40, 103,886.40 and 29,810.60

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Solution

The fourth proportional to 69,241.40, 103,886.40 and 29,810.60 is: 44,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,241.40 : 103,886.40 = 29,810.60 : x
  2. Step 2: Convert to fraction form
    69,241.40/103,886.40 = 29,810.60/x
  3. Step 3: Cross multiply
    69,241.40x = 103,886.40 × 29,810.60
  4. Step 4: Simplify right side
    69,241.40x = 3,096,915,915.84
  5. Step 5: Solve for x
    x = 3,096,915,915.84/69,241.40
  6. Step 6: Final answer
    x = 44,726.36

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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.