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Finding the Fourth Proportional to 125,966.44, 173,830.12 and 68,604.48

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Solution

The fourth proportional to 125,966.44, 173,830.12 and 68,604.48 is: 94,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,966.44 : 173,830.12 = 68,604.48 : x
  2. Step 2: Convert to fraction form
    125,966.44/173,830.12 = 68,604.48/x
  3. Step 3: Cross multiply
    125,966.44x = 173,830.12 × 68,604.48
  4. Step 4: Simplify right side
    125,966.44x = 11,925,524,990.94
  5. Step 5: Solve for x
    x = 11,925,524,990.94/125,966.44
  6. Step 6: Final answer
    x = 94,672.24

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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.