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Finding the Fourth Proportional to 292,773.40, 439,163.22 and 103,198.44

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Solution

The fourth proportional to 292,773.40, 439,163.22 and 103,198.44 is: 154,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,773.40 : 439,163.22 = 103,198.44 : x
  2. Step 2: Convert to fraction form
    292,773.40/439,163.22 = 103,198.44/x
  3. Step 3: Cross multiply
    292,773.40x = 439,163.22 × 103,198.44
  4. Step 4: Simplify right side
    292,773.40x = 45,320,959,209.38
  5. Step 5: Solve for x
    x = 45,320,959,209.38/292,773.40
  6. Step 6: Final answer
    x = 154,798.76

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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.