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Finding the Fourth Proportional to 173,863.15, 260,794.73 and 68,627.95

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Solution

The fourth proportional to 173,863.15, 260,794.73 and 68,627.95 is: 102,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,863.15 : 260,794.73 = 68,627.95 : x
  2. Step 2: Convert to fraction form
    173,863.15/260,794.73 = 68,627.95/x
  3. Step 3: Cross multiply
    173,863.15x = 260,794.73 × 68,627.95
  4. Step 4: Simplify right side
    173,863.15x = 17,897,807,690.70
  5. Step 5: Solve for x
    x = 17,897,807,690.70/173,863.15
  6. Step 6: Final answer
    x = 102,941.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.