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Finding the Fourth Proportional to 85,216.92, 117,594.04 and 46,974.48

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Solution

The fourth proportional to 85,216.92, 117,594.04 and 46,974.48 is: 64,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.92 : 117,594.04 = 46,974.48 : x
  2. Step 2: Convert to fraction form
    85,216.92/117,594.04 = 46,974.48/x
  3. Step 3: Cross multiply
    85,216.92x = 117,594.04 × 46,974.48
  4. Step 4: Simplify right side
    85,216.92x = 5,523,918,880.10
  5. Step 5: Solve for x
    x = 5,523,918,880.10/85,216.92
  6. Step 6: Final answer
    x = 64,821.86

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