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Finding the Fourth Proportional to 125,610.40, 188,439.68 and 41,394.88

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Solution

The fourth proportional to 125,610.40, 188,439.68 and 41,394.88 is: 62,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,610.40 : 188,439.68 = 41,394.88 : x
  2. Step 2: Convert to fraction form
    125,610.40/188,439.68 = 41,394.88/x
  3. Step 3: Cross multiply
    125,610.40x = 188,439.68 × 41,394.88
  4. Step 4: Simplify right side
    125,610.40x = 7,800,437,940.84
  5. Step 5: Solve for x
    x = 7,800,437,940.84/125,610.40
  6. Step 6: Final answer
    x = 62,100.26

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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.