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Finding the Fourth Proportional to 361,541.52, 541,991.52 and 136,744.65

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Solution

The fourth proportional to 361,541.52, 541,991.52 and 136,744.65 is: 204,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,541.52 : 541,991.52 = 136,744.65 : x
  2. Step 2: Convert to fraction form
    361,541.52/541,991.52 = 136,744.65/x
  3. Step 3: Cross multiply
    361,541.52x = 541,991.52 × 136,744.65
  4. Step 4: Simplify right side
    361,541.52x = 74,114,440,705.37
  5. Step 5: Solve for x
    x = 74,114,440,705.37/361,541.52
  6. Step 6: Final answer
    x = 204,995.66

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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.