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Finding the Fourth Proportional to 269,770.90, 404,889.60 and 103,675.54

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Solution

The fourth proportional to 269,770.90, 404,889.60 and 103,675.54 is: 155,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,770.90 : 404,889.60 = 103,675.54 : x
  2. Step 2: Convert to fraction form
    269,770.90/404,889.60 = 103,675.54/x
  3. Step 3: Cross multiply
    269,770.90x = 404,889.60 × 103,675.54
  4. Step 4: Simplify right side
    269,770.90x = 41,977,147,920.38
  5. Step 5: Solve for x
    x = 41,977,147,920.38/269,770.90
  6. Step 6: Final answer
    x = 155,602.95

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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.