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Finding the Fourth Proportional to 262,894.80, 394,255.80 and 96,661.20

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Solution

The fourth proportional to 262,894.80, 394,255.80 and 96,661.20 is: 144,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,894.80 : 394,255.80 = 96,661.20 : x
  2. Step 2: Convert to fraction form
    262,894.80/394,255.80 = 96,661.20/x
  3. Step 3: Cross multiply
    262,894.80x = 394,255.80 × 96,661.20
  4. Step 4: Simplify right side
    262,894.80x = 38,109,238,734.96
  5. Step 5: Solve for x
    x = 38,109,238,734.96/262,894.80
  6. Step 6: Final answer
    x = 144,960.03

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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.