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Finding the Fourth Proportional to 125,922.30, 173,785.03 and 94,035.84

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Solution

The fourth proportional to 125,922.30, 173,785.03 and 94,035.84 is: 129,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,922.30 : 173,785.03 = 94,035.84 : x
  2. Step 2: Convert to fraction form
    125,922.30/173,785.03 = 94,035.84/x
  3. Step 3: Cross multiply
    125,922.30x = 173,785.03 × 94,035.84
  4. Step 4: Simplify right side
    125,922.30x = 16,342,020,171.46
  5. Step 5: Solve for x
    x = 16,342,020,171.46/125,922.30
  6. Step 6: Final answer
    x = 129,778.61

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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.