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Finding the Fourth Proportional to 178,670.86, 246,566.26 and 98,103.60

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Solution

The fourth proportional to 178,670.86, 246,566.26 and 98,103.60 is: 135,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,670.86 : 246,566.26 = 98,103.60 : x
  2. Step 2: Convert to fraction form
    178,670.86/246,566.26 = 98,103.60/x
  3. Step 3: Cross multiply
    178,670.86x = 246,566.26 × 98,103.60
  4. Step 4: Simplify right side
    178,670.86x = 24,189,037,744.54
  5. Step 5: Solve for x
    x = 24,189,037,744.54/178,670.86
  6. Step 6: Final answer
    x = 135,383.23

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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.