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Finding the Fourth Proportional to 82,485.42, 113,832.99 and 46,676.94

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Solution

The fourth proportional to 82,485.42, 113,832.99 and 46,676.94 is: 64,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,485.42 : 113,832.99 = 46,676.94 : x
  2. Step 2: Convert to fraction form
    82,485.42/113,832.99 = 46,676.94/x
  3. Step 3: Cross multiply
    82,485.42x = 113,832.99 × 46,676.94
  4. Step 4: Simplify right side
    82,485.42x = 5,313,375,644.25
  5. Step 5: Solve for x
    x = 5,313,375,644.25/82,485.42
  6. Step 6: Final answer
    x = 64,415.94

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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.