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Finding the Fourth Proportional to 81,861.99, 112,968.77 and 46,052.21

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Solution

The fourth proportional to 81,861.99, 112,968.77 and 46,052.21 is: 63,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,861.99 : 112,968.77 = 46,052.21 : x
  2. Step 2: Convert to fraction form
    81,861.99/112,968.77 = 46,052.21/x
  3. Step 3: Cross multiply
    81,861.99x = 112,968.77 × 46,052.21
  4. Step 4: Simplify right side
    81,861.99x = 5,202,460,724.38
  5. Step 5: Solve for x
    x = 5,202,460,724.38/81,861.99
  6. Step 6: Final answer
    x = 63,551.60

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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.