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Finding the Fourth Proportional to 186,236.85, 256,989 and 104,546.37

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Solution

The fourth proportional to 186,236.85, 256,989 and 104,546.37 is: 144,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,236.85 : 256,989 = 104,546.37 : x
  2. Step 2: Convert to fraction form
    186,236.85/256,989 = 104,546.37/x
  3. Step 3: Cross multiply
    186,236.85x = 256,989 × 104,546.37
  4. Step 4: Simplify right side
    186,236.85x = 26,867,267,079.93
  5. Step 5: Solve for x
    x = 26,867,267,079.93/186,236.85
  6. Step 6: Final answer
    x = 144,263.97

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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.