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Finding the Fourth Proportional to 250,585.50, 375,891.02 and 73,105.91

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Solution

The fourth proportional to 250,585.50, 375,891.02 and 73,105.91 is: 109,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,585.50 : 375,891.02 = 73,105.91 : x
  2. Step 2: Convert to fraction form
    250,585.50/375,891.02 = 73,105.91/x
  3. Step 3: Cross multiply
    250,585.50x = 375,891.02 × 73,105.91
  4. Step 4: Simplify right side
    250,585.50x = 27,479,852,832.94
  5. Step 5: Solve for x
    x = 27,479,852,832.94/250,585.50
  6. Step 6: Final answer
    x = 109,662.58

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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.