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Finding the Fourth Proportional to 262,255.79, 361,912.43 and 147,534.51

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Solution

The fourth proportional to 262,255.79, 361,912.43 and 147,534.51 is: 203,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,255.79 : 361,912.43 = 147,534.51 : x
  2. Step 2: Convert to fraction form
    262,255.79/361,912.43 = 147,534.51/x
  3. Step 3: Cross multiply
    262,255.79x = 361,912.43 × 147,534.51
  4. Step 4: Simplify right side
    262,255.79x = 53,394,571,280.39
  5. Step 5: Solve for x
    x = 53,394,571,280.39/262,255.79
  6. Step 6: Final answer
    x = 203,597.30

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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.