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Finding the Fourth Proportional to 125,519.76, 173,218.48 and 68,932.34

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Solution

The fourth proportional to 125,519.76, 173,218.48 and 68,932.34 is: 95,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.76 : 173,218.48 = 68,932.34 : x
  2. Step 2: Convert to fraction form
    125,519.76/173,218.48 = 68,932.34/x
  3. Step 3: Cross multiply
    125,519.76x = 173,218.48 × 68,932.34
  4. Step 4: Simplify right side
    125,519.76x = 11,940,355,157.64
  5. Step 5: Solve for x
    x = 11,940,355,157.64/125,519.76
  6. Step 6: Final answer
    x = 95,127.29

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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.