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Finding the Fourth Proportional to 325,309.93, 487,626.60 and 125,767.37

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Solution

The fourth proportional to 325,309.93, 487,626.60 and 125,767.37 is: 188,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,309.93 : 487,626.60 = 125,767.37 : x
  2. Step 2: Convert to fraction form
    325,309.93/487,626.60 = 125,767.37/x
  3. Step 3: Cross multiply
    325,309.93x = 487,626.60 × 125,767.37
  4. Step 4: Simplify right side
    325,309.93x = 61,327,514,395.21
  5. Step 5: Solve for x
    x = 61,327,514,395.21/325,309.93
  6. Step 6: Final answer
    x = 188,520.27

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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.