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Finding the Fourth Proportional to 71,954,648.69, 107,939,533.98 and 23,436,280.49

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Solution

The fourth proportional to 71,954,648.69, 107,939,533.98 and 23,436,280.49 is: 35,156,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,954,648.69 : 107,939,533.98 = 23,436,280.49 : x
  2. Step 2: Convert to fraction form
    71,954,648.69/107,939,533.98 = 23,436,280.49/x
  3. Step 3: Cross multiply
    71,954,648.69x = 107,939,533.98 × 23,436,280.49
  4. Step 4: Simplify right side
    71,954,648.69x = 2,529,701,194,315,166
  5. Step 5: Solve for x
    x = 2,529,701,194,315,166/71,954,648.69
  6. Step 6: Final answer
    x = 35,156,883.40

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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.