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Finding the Fourth Proportional to 178,899.54, 246,881.52 and 98,326.44

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Solution

The fourth proportional to 178,899.54, 246,881.52 and 98,326.44 is: 135,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,899.54 : 246,881.52 = 98,326.44 : x
  2. Step 2: Convert to fraction form
    178,899.54/246,881.52 = 98,326.44/x
  3. Step 3: Cross multiply
    178,899.54x = 246,881.52 × 98,326.44
  4. Step 4: Simplify right side
    178,899.54x = 24,274,980,963.39
  5. Step 5: Solve for x
    x = 24,274,980,963.39/178,899.54
  6. Step 6: Final answer
    x = 135,690.57

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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.