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Finding the Fourth Proportional to 61,204,537.80, 91,806,806.70 and 47,333,927.70

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Solution

The fourth proportional to 61,204,537.80, 91,806,806.70 and 47,333,927.70 is: 71,000,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204,537.80 : 91,806,806.70 = 47,333,927.70 : x
  2. Step 2: Convert to fraction form
    61,204,537.80/91,806,806.70 = 47,333,927.70/x
  3. Step 3: Cross multiply
    61,204,537.80x = 91,806,806.70 × 47,333,927.70
  4. Step 4: Simplify right side
    61,204,537.80x = 4,345,576,750,705,676
  5. Step 5: Solve for x
    x = 4,345,576,750,705,676/61,204,537.80
  6. Step 6: Final answer
    x = 71,000,891.55

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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.