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Finding the Fourth Proportional to 81,863.87, 112,963.11 and 46,053.26

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Solution

The fourth proportional to 81,863.87, 112,963.11 and 46,053.26 is: 63,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,863.87 : 112,963.11 = 46,053.26 : x
  2. Step 2: Convert to fraction form
    81,863.87/112,963.11 = 46,053.26/x
  3. Step 3: Cross multiply
    81,863.87x = 112,963.11 × 46,053.26
  4. Step 4: Simplify right side
    81,863.87x = 5,202,319,161.33
  5. Step 5: Solve for x
    x = 5,202,319,161.33/81,863.87
  6. Step 6: Final answer
    x = 63,548.42

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1.5x scale

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.