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Finding the Fourth Proportional to 124,301.44, 186,380.16 and 84,906.16

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Solution

The fourth proportional to 124,301.44, 186,380.16 and 84,906.16 is: 127,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,301.44 : 186,380.16 = 84,906.16 : x
  2. Step 2: Convert to fraction form
    124,301.44/186,380.16 = 84,906.16/x
  3. Step 3: Cross multiply
    124,301.44x = 186,380.16 × 84,906.16
  4. Step 4: Simplify right side
    124,301.44x = 15,824,823,685.79
  5. Step 5: Solve for x
    x = 15,824,823,685.79/124,301.44
  6. Step 6: Final answer
    x = 127,310.06

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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.