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Finding the Fourth Proportional to 124,573.70, 186,745.41 and 49,675.63

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Solution

The fourth proportional to 124,573.70, 186,745.41 and 49,675.63 is: 74,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,573.70 : 186,745.41 = 49,675.63 : x
  2. Step 2: Convert to fraction form
    124,573.70/186,745.41 = 49,675.63/x
  3. Step 3: Cross multiply
    124,573.70x = 186,745.41 × 49,675.63
  4. Step 4: Simplify right side
    124,573.70x = 9,276,695,891.36
  5. Step 5: Solve for x
    x = 9,276,695,891.36/124,573.70
  6. Step 6: Final answer
    x = 74,467.53

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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.