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Finding the Fourth Proportional to 81,804.93, 112,887.91 and 45,996.99

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Solution

The fourth proportional to 81,804.93, 112,887.91 and 45,996.99 is: 63,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,804.93 : 112,887.91 = 45,996.99 : x
  2. Step 2: Convert to fraction form
    81,804.93/112,887.91 = 45,996.99/x
  3. Step 3: Cross multiply
    81,804.93x = 112,887.91 × 45,996.99
  4. Step 4: Simplify right side
    81,804.93x = 5,192,504,067.39
  5. Step 5: Solve for x
    x = 5,192,504,067.39/81,804.93
  6. Step 6: Final answer
    x = 63,474.22

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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.