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Finding the Fourth Proportional to 166,729.84, 250,141.56 and 66,960.08

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Solution

The fourth proportional to 166,729.84, 250,141.56 and 66,960.08 is: 100,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,729.84 : 250,141.56 = 66,960.08 : x
  2. Step 2: Convert to fraction form
    166,729.84/250,141.56 = 66,960.08/x
  3. Step 3: Cross multiply
    166,729.84x = 250,141.56 × 66,960.08
  4. Step 4: Simplify right side
    166,729.84x = 16,749,498,868.92
  5. Step 5: Solve for x
    x = 16,749,498,868.92/166,729.84
  6. Step 6: Final answer
    x = 100,458.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.