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Finding the Fourth Proportional to 120,967.24, 166,934.64 and 67,250.56

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Solution

The fourth proportional to 120,967.24, 166,934.64 and 67,250.56 is: 92,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967.24 : 166,934.64 = 67,250.56 : x
  2. Step 2: Convert to fraction form
    120,967.24/166,934.64 = 67,250.56/x
  3. Step 3: Cross multiply
    120,967.24x = 166,934.64 × 67,250.56
  4. Step 4: Simplify right side
    120,967.24x = 11,226,448,023.40
  5. Step 5: Solve for x
    x = 11,226,448,023.40/120,967.24
  6. Step 6: Final answer
    x = 92,805.69

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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.