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Finding the Fourth Proportional to 154,694.26, 231,582.04 and 84,360.34

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Solution

The fourth proportional to 154,694.26, 231,582.04 and 84,360.34 is: 126,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,694.26 : 231,582.04 = 84,360.34 : x
  2. Step 2: Convert to fraction form
    154,694.26/231,582.04 = 84,360.34/x
  3. Step 3: Cross multiply
    154,694.26x = 231,582.04 × 84,360.34
  4. Step 4: Simplify right side
    154,694.26x = 19,536,339,632.29
  5. Step 5: Solve for x
    x = 19,536,339,632.29/154,694.26
  6. Step 6: Final answer
    x = 126,290.01

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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.