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Finding the Fourth Proportional to 68,509,873.98, 94,543,524.92 and 37,147,865.97

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Solution

The fourth proportional to 68,509,873.98, 94,543,524.92 and 37,147,865.97 is: 51,264,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,509,873.98 : 94,543,524.92 = 37,147,865.97 : x
  2. Step 2: Convert to fraction form
    68,509,873.98/94,543,524.92 = 37,147,865.97/x
  3. Step 3: Cross multiply
    68,509,873.98x = 94,543,524.92 × 37,147,865.97
  4. Step 4: Simplify right side
    68,509,873.98x = 3,512,090,192,059,515
  5. Step 5: Solve for x
    x = 3,512,090,192,059,515/68,509,873.98
  6. Step 6: Final answer
    x = 51,264,000.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.