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Finding the Fourth Proportional to 123,953.56, 171,057.24 and 67,364.94

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Solution

The fourth proportional to 123,953.56, 171,057.24 and 67,364.94 is: 92,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.56 : 171,057.24 = 67,364.94 : x
  2. Step 2: Convert to fraction form
    123,953.56/171,057.24 = 67,364.94/x
  3. Step 3: Cross multiply
    123,953.56x = 171,057.24 × 67,364.94
  4. Step 4: Simplify right side
    123,953.56x = 11,523,260,709.17
  5. Step 5: Solve for x
    x = 11,523,260,709.17/123,953.56
  6. Step 6: Final answer
    x = 92,964.34

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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.