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Finding the Fourth Proportional to 178,050.80, 267,076.20 and 158,697.20

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Solution

The fourth proportional to 178,050.80, 267,076.20 and 158,697.20 is: 238,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,050.80 : 267,076.20 = 158,697.20 : x
  2. Step 2: Convert to fraction form
    178,050.80/267,076.20 = 158,697.20/x
  3. Step 3: Cross multiply
    178,050.80x = 267,076.20 × 158,697.20
  4. Step 4: Simplify right side
    178,050.80x = 42,384,245,126.64
  5. Step 5: Solve for x
    x = 42,384,245,126.64/178,050.80
  6. Step 6: Final answer
    x = 238,045.80

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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.