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Finding the Fourth Proportional to 178,846.80, 268,270.20 and 158,629.20

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Solution

The fourth proportional to 178,846.80, 268,270.20 and 158,629.20 is: 237,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,846.80 : 268,270.20 = 158,629.20 : x
  2. Step 2: Convert to fraction form
    178,846.80/268,270.20 = 158,629.20/x
  3. Step 3: Cross multiply
    178,846.80x = 268,270.20 × 158,629.20
  4. Step 4: Simplify right side
    178,846.80x = 42,555,487,209.84
  5. Step 5: Solve for x
    x = 42,555,487,209.84/178,846.80
  6. Step 6: Final answer
    x = 237,943.80

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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.