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Finding the Fourth Proportional to 126,184.63, 174,135 and 68,824

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Solution

The fourth proportional to 126,184.63, 174,135 and 68,824 is: 94,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,184.63 : 174,135 = 68,824 : x
  2. Step 2: Convert to fraction form
    126,184.63/174,135 = 68,824/x
  3. Step 3: Cross multiply
    126,184.63x = 174,135 × 68,824
  4. Step 4: Simplify right side
    126,184.63x = 11,984,667,240
  5. Step 5: Solve for x
    x = 11,984,667,240/126,184.63
  6. Step 6: Final answer
    x = 94,977.23

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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.