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Finding the Fourth Proportional to 151,047.48, 208,447.92 and 83,067.42

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Solution

The fourth proportional to 151,047.48, 208,447.92 and 83,067.42 is: 114,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,047.48 : 208,447.92 = 83,067.42 : x
  2. Step 2: Convert to fraction form
    151,047.48/208,447.92 = 83,067.42/x
  3. Step 3: Cross multiply
    151,047.48x = 208,447.92 × 83,067.42
  4. Step 4: Simplify right side
    151,047.48x = 17,315,230,918.77
  5. Step 5: Solve for x
    x = 17,315,230,918.77/151,047.48
  6. Step 6: Final answer
    x = 114,634.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.