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Finding the Fourth Proportional to 120,701.88, 166,588.50 and 67,004.08

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Solution

The fourth proportional to 120,701.88, 166,588.50 and 67,004.08 is: 92,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,701.88 : 166,588.50 = 67,004.08 : x
  2. Step 2: Convert to fraction form
    120,701.88/166,588.50 = 67,004.08/x
  3. Step 3: Cross multiply
    120,701.88x = 166,588.50 × 67,004.08
  4. Step 4: Simplify right side
    120,701.88x = 11,162,109,181.08
  5. Step 5: Solve for x
    x = 11,162,109,181.08/120,701.88
  6. Step 6: Final answer
    x = 92,476.68

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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.