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Finding the Fourth Proportional to 125,495.28, 173,186.28 and 68,906.88

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Solution

The fourth proportional to 125,495.28, 173,186.28 and 68,906.88 is: 95,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,495.28 : 173,186.28 = 68,906.88 : x
  2. Step 2: Convert to fraction form
    125,495.28/173,186.28 = 68,906.88/x
  3. Step 3: Cross multiply
    125,495.28x = 173,186.28 × 68,906.88
  4. Step 4: Simplify right side
    125,495.28x = 11,933,726,213.61
  5. Step 5: Solve for x
    x = 11,933,726,213.61/125,495.28
  6. Step 6: Final answer
    x = 95,093.03

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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.