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Finding the Fourth Proportional to 183,728,672.70, 275,593,009.05 and 68,689,410.90

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Solution

The fourth proportional to 183,728,672.70, 275,593,009.05 and 68,689,410.90 is: 103,034,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,728,672.70 : 275,593,009.05 = 68,689,410.90 : x
  2. Step 2: Convert to fraction form
    183,728,672.70/275,593,009.05 = 68,689,410.90/x
  3. Step 3: Cross multiply
    183,728,672.70x = 275,593,009.05 × 68,689,410.90
  4. Step 4: Simplify right side
    183,728,672.70x = 18,930,321,439,802,872
  5. Step 5: Solve for x
    x = 18,930,321,439,802,872/183,728,672.70
  6. Step 6: Final answer
    x = 103,034,116.35

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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.