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Finding the Fourth Proportional to 178,924.10, 246,912.49 and 98,349.90

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Solution

The fourth proportional to 178,924.10, 246,912.49 and 98,349.90 is: 135,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,924.10 : 246,912.49 = 98,349.90 : x
  2. Step 2: Convert to fraction form
    178,924.10/246,912.49 = 98,349.90/x
  3. Step 3: Cross multiply
    178,924.10x = 246,912.49 × 98,349.90
  4. Step 4: Simplify right side
    178,924.10x = 24,283,818,208.50
  5. Step 5: Solve for x
    x = 24,283,818,208.50/178,924.10
  6. Step 6: Final answer
    x = 135,721.34

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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.