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Finding the Fourth Proportional to 79,282.42, 118,943.46 and 55,954.42

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Solution

The fourth proportional to 79,282.42, 118,943.46 and 55,954.42 is: 83,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.42 : 118,943.46 = 55,954.42 : x
  2. Step 2: Convert to fraction form
    79,282.42/118,943.46 = 55,954.42/x
  3. Step 3: Cross multiply
    79,282.42x = 118,943.46 × 55,954.42
  4. Step 4: Simplify right side
    79,282.42x = 6,655,412,317.09
  5. Step 5: Solve for x
    x = 6,655,412,317.09/79,282.42
  6. Step 6: Final answer
    x = 83,945.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.