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Finding the Fourth Proportional to 119,185.52, 164,452.74 and 68,213.84

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Solution

The fourth proportional to 119,185.52, 164,452.74 and 68,213.84 is: 94,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,185.52 : 164,452.74 = 68,213.84 : x
  2. Step 2: Convert to fraction form
    119,185.52/164,452.74 = 68,213.84/x
  3. Step 3: Cross multiply
    119,185.52x = 164,452.74 × 68,213.84
  4. Step 4: Simplify right side
    119,185.52x = 11,217,952,893.92
  5. Step 5: Solve for x
    x = 11,217,952,893.92/119,185.52
  6. Step 6: Final answer
    x = 94,121.78

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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.