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Finding the Fourth Proportional to 194,107, 267,718.08 and 170,193.64

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Solution

The fourth proportional to 194,107, 267,718.08 and 170,193.64 is: 234,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,107 : 267,718.08 = 170,193.64 : x
  2. Step 2: Convert to fraction form
    194,107/267,718.08 = 170,193.64/x
  3. Step 3: Cross multiply
    194,107x = 267,718.08 × 170,193.64
  4. Step 4: Simplify right side
    194,107x = 45,563,914,529.01
  5. Step 5: Solve for x
    x = 45,563,914,529.01/194,107
  6. Step 6: Final answer
    x = 234,736.07

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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.