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Finding the Fourth Proportional to 125,455.35, 188,143.37 and 41,201.63

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Solution

The fourth proportional to 125,455.35, 188,143.37 and 41,201.63 is: 61,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,455.35 : 188,143.37 = 41,201.63 : x
  2. Step 2: Convert to fraction form
    125,455.35/188,143.37 = 41,201.63/x
  3. Step 3: Cross multiply
    125,455.35x = 188,143.37 × 41,201.63
  4. Step 4: Simplify right side
    125,455.35x = 7,751,813,462.77
  5. Step 5: Solve for x
    x = 7,751,813,462.77/125,455.35
  6. Step 6: Final answer
    x = 61,789.42

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1.5x scale

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.