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Finding the Fourth Proportional to 81,851.76, 112,923.45 and 46,033.56

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Solution

The fourth proportional to 81,851.76, 112,923.45 and 46,033.56 is: 63,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,851.76 : 112,923.45 = 46,033.56 : x
  2. Step 2: Convert to fraction form
    81,851.76/112,923.45 = 46,033.56/x
  3. Step 3: Cross multiply
    81,851.76x = 112,923.45 × 46,033.56
  4. Step 4: Simplify right side
    81,851.76x = 5,198,268,410.98
  5. Step 5: Solve for x
    x = 5,198,268,410.98/81,851.76
  6. Step 6: Final answer
    x = 63,508.33

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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.