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Finding the Fourth Proportional to 242,896.30, 335,195.87 and 133,997.70

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Solution

The fourth proportional to 242,896.30, 335,195.87 and 133,997.70 is: 184,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,896.30 : 335,195.87 = 133,997.70 : x
  2. Step 2: Convert to fraction form
    242,896.30/335,195.87 = 133,997.70/x
  3. Step 3: Cross multiply
    242,896.30x = 335,195.87 × 133,997.70
  4. Step 4: Simplify right side
    242,896.30x = 44,915,476,216.50
  5. Step 5: Solve for x
    x = 44,915,476,216.50/242,896.30
  6. Step 6: Final answer
    x = 184,916.27

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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.