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Finding the Fourth Proportional to 325,230.08, 487,564.74 and 125,690.48

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Solution

The fourth proportional to 325,230.08, 487,564.74 and 125,690.48 is: 188,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,230.08 : 487,564.74 = 125,690.48 : x
  2. Step 2: Convert to fraction form
    325,230.08/487,564.74 = 125,690.48/x
  3. Step 3: Cross multiply
    325,230.08x = 487,564.74 × 125,690.48
  4. Step 4: Simplify right side
    325,230.08x = 61,282,246,201.68
  5. Step 5: Solve for x
    x = 61,282,246,201.68/325,230.08
  6. Step 6: Final answer
    x = 188,427.36

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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.