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Finding the Fourth Proportional to 45,746,517.80, 68,672,920.80 and 27,571,235.60

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Solution

The fourth proportional to 45,746,517.80, 68,672,920.80 and 27,571,235.60 is: 41,388,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746,517.80 : 68,672,920.80 = 27,571,235.60 : x
  2. Step 2: Convert to fraction form
    45,746,517.80/68,672,920.80 = 27,571,235.60/x
  3. Step 3: Cross multiply
    45,746,517.80x = 68,672,920.80 × 27,571,235.60
  4. Step 4: Simplify right side
    45,746,517.80x = 1,893,397,278,716,940.50
  5. Step 5: Solve for x
    x = 1,893,397,278,716,940.50/45,746,517.80
  6. Step 6: Final answer
    x = 41,388,883.13

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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.