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Finding the Fourth Proportional to 178,772.96, 246,694.56 and 98,203.88

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Solution

The fourth proportional to 178,772.96, 246,694.56 and 98,203.88 is: 135,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,772.96 : 246,694.56 = 98,203.88 : x
  2. Step 2: Convert to fraction form
    178,772.96/246,694.56 = 98,203.88/x
  3. Step 3: Cross multiply
    178,772.96x = 246,694.56 × 98,203.88
  4. Step 4: Simplify right side
    178,772.96x = 24,226,362,966.89
  5. Step 5: Solve for x
    x = 24,226,362,966.89/178,772.96
  6. Step 6: Final answer
    x = 135,514.69

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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.