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Finding the Fourth Proportional to 81,873.67, 112,977.66 and 46,062.91

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Solution

The fourth proportional to 81,873.67, 112,977.66 and 46,062.91 is: 63,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,873.67 : 112,977.66 = 46,062.91 : x
  2. Step 2: Convert to fraction form
    81,873.67/112,977.66 = 46,062.91/x
  3. Step 3: Cross multiply
    81,873.67x = 112,977.66 × 46,062.91
  4. Step 4: Simplify right side
    81,873.67x = 5,204,079,784.59
  5. Step 5: Solve for x
    x = 5,204,079,784.59/81,873.67
  6. Step 6: Final answer
    x = 63,562.31

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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.