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Finding the Fourth Proportional to 178,592.80, 246,460.62 and 98,018.86

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Solution

The fourth proportional to 178,592.80, 246,460.62 and 98,018.86 is: 135,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,592.80 : 246,460.62 = 98,018.86 : x
  2. Step 2: Convert to fraction form
    178,592.80/246,460.62 = 98,018.86/x
  3. Step 3: Cross multiply
    178,592.80x = 246,460.62 × 98,018.86
  4. Step 4: Simplify right side
    178,592.80x = 24,157,789,007.29
  5. Step 5: Solve for x
    x = 24,157,789,007.29/178,592.80
  6. Step 6: Final answer
    x = 135,267.43

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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.