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Finding the Fourth Proportional to 269,666.80, 404,467.80 and 111,878.80

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Solution

The fourth proportional to 269,666.80, 404,467.80 and 111,878.80 is: 167,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,666.80 : 404,467.80 = 111,878.80 : x
  2. Step 2: Convert to fraction form
    269,666.80/404,467.80 = 111,878.80/x
  3. Step 3: Cross multiply
    269,666.80x = 404,467.80 × 111,878.80
  4. Step 4: Simplify right side
    269,666.80x = 45,251,372,102.64
  5. Step 5: Solve for x
    x = 45,251,372,102.64/269,666.80
  6. Step 6: Final answer
    x = 167,804.76

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1.5x scale

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.