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Finding the Fourth Proportional to 269,695.10, 404,704.65 and 111,907.10

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Solution

The fourth proportional to 269,695.10, 404,704.65 and 111,907.10 is: 167,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,695.10 : 404,704.65 = 111,907.10 : x
  2. Step 2: Convert to fraction form
    269,695.10/404,704.65 = 111,907.10/x
  3. Step 3: Cross multiply
    269,695.10x = 404,704.65 × 111,907.10
  4. Step 4: Simplify right side
    269,695.10x = 45,289,323,738.02
  5. Step 5: Solve for x
    x = 45,289,323,738.02/269,695.10
  6. Step 6: Final answer
    x = 167,927.87

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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.