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Finding the Fourth Proportional to 215,997.64, 298,093.47 and 119,220.46

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Solution

The fourth proportional to 215,997.64, 298,093.47 and 119,220.46 is: 164,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,997.64 : 298,093.47 = 119,220.46 : x
  2. Step 2: Convert to fraction form
    215,997.64/298,093.47 = 119,220.46/x
  3. Step 3: Cross multiply
    215,997.64x = 298,093.47 × 119,220.46
  4. Step 4: Simplify right side
    215,997.64x = 35,538,839,424.09
  5. Step 5: Solve for x
    x = 35,538,839,424.09/215,997.64
  6. Step 6: Final answer
    x = 164,533.46

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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.