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Finding the Fourth Proportional to 250,064.39, 345,119.77 and 186,291.47

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Solution

The fourth proportional to 250,064.39, 345,119.77 and 186,291.47 is: 257,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,064.39 : 345,119.77 = 186,291.47 : x
  2. Step 2: Convert to fraction form
    250,064.39/345,119.77 = 186,291.47/x
  3. Step 3: Cross multiply
    250,064.39x = 345,119.77 × 186,291.47
  4. Step 4: Simplify right side
    250,064.39x = 64,292,870,375.03
  5. Step 5: Solve for x
    x = 64,292,870,375.03/250,064.39
  6. Step 6: Final answer
    x = 257,105.26

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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.