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Finding the Fourth Proportional to 178,704.42, 246,602.43 and 98,142.54

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Solution

The fourth proportional to 178,704.42, 246,602.43 and 98,142.54 is: 135,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,704.42 : 246,602.43 = 98,142.54 : x
  2. Step 2: Convert to fraction form
    178,704.42/246,602.43 = 98,142.54/x
  3. Step 3: Cross multiply
    178,704.42x = 246,602.43 × 98,142.54
  4. Step 4: Simplify right side
    178,704.42x = 24,202,188,850.37
  5. Step 5: Solve for x
    x = 24,202,188,850.37/178,704.42
  6. Step 6: Final answer
    x = 135,431.39

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1.5x scale

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.