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Finding the Fourth Proportional to 269,603.60, 404,567.40 and 111,815.60

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Solution

The fourth proportional to 269,603.60, 404,567.40 and 111,815.60 is: 167,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,603.60 : 404,567.40 = 111,815.60 : x
  2. Step 2: Convert to fraction form
    269,603.60/404,567.40 = 111,815.60/x
  3. Step 3: Cross multiply
    269,603.60x = 404,567.40 × 111,815.60
  4. Step 4: Simplify right side
    269,603.60x = 45,236,946,571.44
  5. Step 5: Solve for x
    x = 45,236,946,571.44/269,603.60
  6. Step 6: Final answer
    x = 167,790.59

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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.