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Finding the Fourth Proportional to 125,650.60, 173,376.90 and 83,266.60

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Solution

The fourth proportional to 125,650.60, 173,376.90 and 83,266.60 is: 114,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.60 : 173,376.90 = 83,266.60 : x
  2. Step 2: Convert to fraction form
    125,650.60/173,376.90 = 83,266.60/x
  3. Step 3: Cross multiply
    125,650.60x = 173,376.90 × 83,266.60
  4. Step 4: Simplify right side
    125,650.60x = 14,436,504,981.54
  5. Step 5: Solve for x
    x = 14,436,504,981.54/125,650.60
  6. Step 6: Final answer
    x = 114,894.04

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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.