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Finding the Fourth Proportional to 178,651.81, 246,539.92 and 98,084.52

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Solution

The fourth proportional to 178,651.81, 246,539.92 and 98,084.52 is: 135,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,651.81 : 246,539.92 = 98,084.52 : x
  2. Step 2: Convert to fraction form
    178,651.81/246,539.92 = 98,084.52/x
  3. Step 3: Cross multiply
    178,651.81x = 246,539.92 × 98,084.52
  4. Step 4: Simplify right side
    178,651.81x = 24,181,749,238.94
  5. Step 5: Solve for x
    x = 24,181,749,238.94/178,651.81
  6. Step 6: Final answer
    x = 135,356.87

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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.