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Finding the Fourth Proportional to 268,559.20, 370,604.24 and 147,700.48

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Solution

The fourth proportional to 268,559.20, 370,604.24 and 147,700.48 is: 203,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,559.20 : 370,604.24 = 147,700.48 : x
  2. Step 2: Convert to fraction form
    268,559.20/370,604.24 = 147,700.48/x
  3. Step 3: Cross multiply
    268,559.20x = 370,604.24 × 147,700.48
  4. Step 4: Simplify right side
    268,559.20x = 54,738,424,138.04
  5. Step 5: Solve for x
    x = 54,738,424,138.04/268,559.20
  6. Step 6: Final answer
    x = 203,822.56

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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.