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Finding the Fourth Proportional to 85,252.95, 117,651.92 and 46,492.90

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Solution

The fourth proportional to 85,252.95, 117,651.92 and 46,492.90 is: 64,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.95 : 117,651.92 = 46,492.90 : x
  2. Step 2: Convert to fraction form
    85,252.95/117,651.92 = 46,492.90/x
  3. Step 3: Cross multiply
    85,252.95x = 117,651.92 × 46,492.90
  4. Step 4: Simplify right side
    85,252.95x = 5,469,978,951.37
  5. Step 5: Solve for x
    x = 5,469,978,951.37/85,252.95
  6. Step 6: Final answer
    x = 64,161.76

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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.