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Finding the Fourth Proportional to 178,916.74, 246,900.09 and 98,344.42

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Solution

The fourth proportional to 178,916.74, 246,900.09 and 98,344.42 is: 135,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,916.74 : 246,900.09 = 98,344.42 : x
  2. Step 2: Convert to fraction form
    178,916.74/246,900.09 = 98,344.42/x
  3. Step 3: Cross multiply
    178,916.74x = 246,900.09 × 98,344.42
  4. Step 4: Simplify right side
    178,916.74x = 24,281,246,149.00
  5. Step 5: Solve for x
    x = 24,281,246,149.00/178,916.74
  6. Step 6: Final answer
    x = 135,712.55

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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.