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Finding the Fourth Proportional to 67,269,276.80, 100,903,915.20 and 58,766,220.80

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Solution

The fourth proportional to 67,269,276.80, 100,903,915.20 and 58,766,220.80 is: 88,149,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269,276.80 : 100,903,915.20 = 58,766,220.80 : x
  2. Step 2: Convert to fraction form
    67,269,276.80/100,903,915.20 = 58,766,220.80/x
  3. Step 3: Cross multiply
    67,269,276.80x = 100,903,915.20 × 58,766,220.80
  4. Step 4: Simplify right side
    67,269,276.80x = 5,929,741,760,227,676
  5. Step 5: Solve for x
    x = 5,929,741,760,227,676/67,269,276.80
  6. Step 6: Final answer
    x = 88,149,331.20

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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.