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Finding the Fourth Proportional to 125,608.94, 173,339.72 and 68,247.88

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Solution

The fourth proportional to 125,608.94, 173,339.72 and 68,247.88 is: 94,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,608.94 : 173,339.72 = 68,247.88 : x
  2. Step 2: Convert to fraction form
    125,608.94/173,339.72 = 68,247.88/x
  3. Step 3: Cross multiply
    125,608.94x = 173,339.72 × 68,247.88
  4. Step 4: Simplify right side
    125,608.94x = 11,830,068,409.79
  5. Step 5: Solve for x
    x = 11,830,068,409.79/125,608.94
  6. Step 6: Final answer
    x = 94,181.74

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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.