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Finding the Fourth Proportional to 84,638.66, 116,800.98 and 46,912.91

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Solution

The fourth proportional to 84,638.66, 116,800.98 and 46,912.91 is: 64,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.66 : 116,800.98 = 46,912.91 : x
  2. Step 2: Convert to fraction form
    84,638.66/116,800.98 = 46,912.91/x
  3. Step 3: Cross multiply
    84,638.66x = 116,800.98 × 46,912.91
  4. Step 4: Simplify right side
    84,638.66x = 5,479,473,278.65
  5. Step 5: Solve for x
    x = 5,479,473,278.65/84,638.66
  6. Step 6: Final answer
    x = 64,739.61

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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.