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Finding the Fourth Proportional to 236,274.30, 354,363.11 and 67,749.48

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Solution

The fourth proportional to 236,274.30, 354,363.11 and 67,749.48 is: 101,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,274.30 : 354,363.11 = 67,749.48 : x
  2. Step 2: Convert to fraction form
    236,274.30/354,363.11 = 67,749.48/x
  3. Step 3: Cross multiply
    236,274.30x = 354,363.11 × 67,749.48
  4. Step 4: Simplify right side
    236,274.30x = 24,007,914,323.12
  5. Step 5: Solve for x
    x = 24,007,914,323.12/236,274.30
  6. Step 6: Final answer
    x = 101,610.35

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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.