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Finding the Fourth Proportional to 125,395.97, 188,096.84 and 30,626.94

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Solution

The fourth proportional to 125,395.97, 188,096.84 and 30,626.94 is: 45,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,395.97 : 188,096.84 = 30,626.94 : x
  2. Step 2: Convert to fraction form
    125,395.97/188,096.84 = 30,626.94/x
  3. Step 3: Cross multiply
    125,395.97x = 188,096.84 × 30,626.94
  4. Step 4: Simplify right side
    125,395.97x = 5,760,830,671.15
  5. Step 5: Solve for x
    x = 5,760,830,671.15/125,395.97
  6. Step 6: Final answer
    x = 45,941.11

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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.