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Finding the Fourth Proportional to 178,906.50, 246,896.61 and 98,340.24

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Solution

The fourth proportional to 178,906.50, 246,896.61 and 98,340.24 is: 135,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,906.50 : 246,896.61 = 98,340.24 : x
  2. Step 2: Convert to fraction form
    178,906.50/246,896.61 = 98,340.24/x
  3. Step 3: Cross multiply
    178,906.50x = 246,896.61 × 98,340.24
  4. Step 4: Simplify right side
    178,906.50x = 24,279,871,882.59
  5. Step 5: Solve for x
    x = 24,279,871,882.59/178,906.50
  6. Step 6: Final answer
    x = 135,712.63

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1.5x scale

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.