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Finding the Fourth Proportional to 68,203.46, 94,135.30 and 45,834.50

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Solution

The fourth proportional to 68,203.46, 94,135.30 and 45,834.50 is: 63,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,203.46 : 94,135.30 = 45,834.50 : x
  2. Step 2: Convert to fraction form
    68,203.46/94,135.30 = 45,834.50/x
  3. Step 3: Cross multiply
    68,203.46x = 94,135.30 × 45,834.50
  4. Step 4: Simplify right side
    68,203.46x = 4,314,644,407.85
  5. Step 5: Solve for x
    x = 4,314,644,407.85/68,203.46
  6. Step 6: Final answer
    x = 63,261.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.