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Finding the Fourth Proportional to 46,696,564.80, 69,855,890.40 and 41,027,860.80

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Solution

The fourth proportional to 46,696,564.80, 69,855,890.40 and 41,027,860.80 is: 61,375,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,696,564.80 : 69,855,890.40 = 41,027,860.80 : x
  2. Step 2: Convert to fraction form
    46,696,564.80/69,855,890.40 = 41,027,860.80/x
  3. Step 3: Cross multiply
    46,696,564.80x = 69,855,890.40 × 41,027,860.80
  4. Step 4: Simplify right side
    46,696,564.80x = 2,866,037,747,391,256.50
  5. Step 5: Solve for x
    x = 2,866,037,747,391,256.50/46,696,564.80
  6. Step 6: Final answer
    x = 61,375,772.71

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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.