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Finding the Fourth Proportional to 341,960.94, 512,941.34 and 92,642.94

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Solution

The fourth proportional to 341,960.94, 512,941.34 and 92,642.94 is: 138,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,960.94 : 512,941.34 = 92,642.94 : x
  2. Step 2: Convert to fraction form
    341,960.94/512,941.34 = 92,642.94/x
  3. Step 3: Cross multiply
    341,960.94x = 512,941.34 × 92,642.94
  4. Step 4: Simplify right side
    341,960.94x = 47,520,394,016.75
  5. Step 5: Solve for x
    x = 47,520,394,016.75/341,960.94
  6. Step 6: Final answer
    x = 138,964.39

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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.