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Finding the Fourth Proportional to 81,847.77, 112,948.83 and 46,037.79

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Solution

The fourth proportional to 81,847.77, 112,948.83 and 46,037.79 is: 63,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,847.77 : 112,948.83 = 46,037.79 : x
  2. Step 2: Convert to fraction form
    81,847.77/112,948.83 = 46,037.79/x
  3. Step 3: Cross multiply
    81,847.77x = 112,948.83 × 46,037.79
  4. Step 4: Simplify right side
    81,847.77x = 5,199,914,516.29
  5. Step 5: Solve for x
    x = 5,199,914,516.29/81,847.77
  6. Step 6: Final answer
    x = 63,531.54

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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.