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Finding the Fourth Proportional to 66,845,576.70, 93,647,580.30 and 66,845,576.70

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Solution

The fourth proportional to 66,845,576.70, 93,647,580.30 and 66,845,576.70 is: 93,647,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,845,576.70 : 93,647,580.30 = 66,845,576.70 : x
  2. Step 2: Convert to fraction form
    66,845,576.70/93,647,580.30 = 66,845,576.70/x
  3. Step 3: Cross multiply
    66,845,576.70x = 93,647,580.30 × 66,845,576.70
  4. Step 4: Simplify right side
    66,845,576.70x = 6,259,926,511,713,059
  5. Step 5: Solve for x
    x = 6,259,926,511,713,059/66,845,576.70
  6. Step 6: Final answer
    x = 93,647,580.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.