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Finding the Fourth Proportional to 84,851.93, 117,100.21 and 50,865.95

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Solution

The fourth proportional to 84,851.93, 117,100.21 and 50,865.95 is: 70,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,851.93 : 117,100.21 = 50,865.95 : x
  2. Step 2: Convert to fraction form
    84,851.93/117,100.21 = 50,865.95/x
  3. Step 3: Cross multiply
    84,851.93x = 117,100.21 × 50,865.95
  4. Step 4: Simplify right side
    84,851.93x = 5,956,413,426.85
  5. Step 5: Solve for x
    x = 5,956,413,426.85/84,851.93
  6. Step 6: Final answer
    x = 70,197.74

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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.