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Finding the Fourth Proportional to 291,796.26, 437,530.22 and 92,079.42

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Solution

The fourth proportional to 291,796.26, 437,530.22 and 92,079.42 is: 138,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,796.26 : 437,530.22 = 92,079.42 : x
  2. Step 2: Convert to fraction form
    291,796.26/437,530.22 = 92,079.42/x
  3. Step 3: Cross multiply
    291,796.26x = 437,530.22 × 92,079.42
  4. Step 4: Simplify right side
    291,796.26x = 40,287,528,890.07
  5. Step 5: Solve for x
    x = 40,287,528,890.07/291,796.26
  6. Step 6: Final answer
    x = 138,067.32

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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.