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Finding the Fourth Proportional to 125,513.88, 188,230.94 and 41,254.60

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Solution

The fourth proportional to 125,513.88, 188,230.94 and 41,254.60 is: 61,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,513.88 : 188,230.94 = 41,254.60 : x
  2. Step 2: Convert to fraction form
    125,513.88/188,230.94 = 41,254.60/x
  3. Step 3: Cross multiply
    125,513.88x = 188,230.94 × 41,254.60
  4. Step 4: Simplify right side
    125,513.88x = 7,765,392,137.32
  5. Step 5: Solve for x
    x = 7,765,392,137.32/125,513.88
  6. Step 6: Final answer
    x = 61,868.79

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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.