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Finding the Fourth Proportional to 178,956.76, 246,955.38 and 98,384.44

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Solution

The fourth proportional to 178,956.76, 246,955.38 and 98,384.44 is: 135,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,956.76 : 246,955.38 = 98,384.44 : x
  2. Step 2: Convert to fraction form
    178,956.76/246,955.38 = 98,384.44/x
  3. Step 3: Cross multiply
    178,956.76x = 246,955.38 × 98,384.44
  4. Step 4: Simplify right side
    178,956.76x = 24,296,566,766.29
  5. Step 5: Solve for x
    x = 24,296,566,766.29/178,956.76
  6. Step 6: Final answer
    x = 135,767.81

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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.