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Finding the Fourth Proportional to 178,716.94, 246,635.94 and 98,151.90

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Solution

The fourth proportional to 178,716.94, 246,635.94 and 98,151.90 is: 135,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,716.94 : 246,635.94 = 98,151.90 : x
  2. Step 2: Convert to fraction form
    178,716.94/246,635.94 = 98,151.90/x
  3. Step 3: Cross multiply
    178,716.94x = 246,635.94 × 98,151.90
  4. Step 4: Simplify right side
    178,716.94x = 24,207,786,119.29
  5. Step 5: Solve for x
    x = 24,207,786,119.29/178,716.94
  6. Step 6: Final answer
    x = 135,453.23

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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.