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Finding the Fourth Proportional to 178,899.58, 246,881.50 and 98,326.44

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Solution

The fourth proportional to 178,899.58, 246,881.50 and 98,326.44 is: 135,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,899.58 : 246,881.50 = 98,326.44 : x
  2. Step 2: Convert to fraction form
    178,899.58/246,881.50 = 98,326.44/x
  3. Step 3: Cross multiply
    178,899.58x = 246,881.50 × 98,326.44
  4. Step 4: Simplify right side
    178,899.58x = 24,274,978,996.86
  5. Step 5: Solve for x
    x = 24,274,978,996.86/178,899.58
  6. Step 6: Final answer
    x = 135,690.53

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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.