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Finding the Fourth Proportional to 178,930.97, 246,927.81 and 98,361.89

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Solution

The fourth proportional to 178,930.97, 246,927.81 and 98,361.89 is: 135,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,930.97 : 246,927.81 = 98,361.89 : x
  2. Step 2: Convert to fraction form
    178,930.97/246,927.81 = 98,361.89/x
  3. Step 3: Cross multiply
    178,930.97x = 246,927.81 × 98,361.89
  4. Step 4: Simplify right side
    178,930.97x = 24,288,284,358.71
  5. Step 5: Solve for x
    x = 24,288,284,358.71/178,930.97
  6. Step 6: Final answer
    x = 135,741.09

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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.