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Finding the Fourth Proportional to 193,553.84, 267,036.84 and 121,940.24

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Solution

The fourth proportional to 193,553.84, 267,036.84 and 121,940.24 is: 168,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,553.84 : 267,036.84 = 121,940.24 : x
  2. Step 2: Convert to fraction form
    193,553.84/267,036.84 = 121,940.24/x
  3. Step 3: Cross multiply
    193,553.84x = 267,036.84 × 121,940.24
  4. Step 4: Simplify right side
    193,553.84x = 32,562,536,358.44
  5. Step 5: Solve for x
    x = 32,562,536,358.44/193,553.84
  6. Step 6: Final answer
    x = 168,235.03

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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.