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Finding the Fourth Proportional to 178,636.56, 267,704.64 and 134,235

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Solution

The fourth proportional to 178,636.56, 267,704.64 and 134,235 is: 201,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,636.56 : 267,704.64 = 134,235 : x
  2. Step 2: Convert to fraction form
    178,636.56/267,704.64 = 134,235/x
  3. Step 3: Cross multiply
    178,636.56x = 267,704.64 × 134,235
  4. Step 4: Simplify right side
    178,636.56x = 35,935,332,350.40
  5. Step 5: Solve for x
    x = 35,935,332,350.40/178,636.56
  6. Step 6: Final answer
    x = 201,164.49

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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.