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Finding the Fourth Proportional to 250,582.26, 345,803.64 and 135,861

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Solution

The fourth proportional to 250,582.26, 345,803.64 and 135,861 is: 187,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,582.26 : 345,803.64 = 135,861 : x
  2. Step 2: Convert to fraction form
    250,582.26/345,803.64 = 135,861/x
  3. Step 3: Cross multiply
    250,582.26x = 345,803.64 × 135,861
  4. Step 4: Simplify right side
    250,582.26x = 46,981,228,334.04
  5. Step 5: Solve for x
    x = 46,981,228,334.04/250,582.26
  6. Step 6: Final answer
    x = 187,488.25

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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.