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Finding the Fourth Proportional to 124,609.69, 186,868.37 and 44,635.20

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Solution

The fourth proportional to 124,609.69, 186,868.37 and 44,635.20 is: 66,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,609.69 : 186,868.37 = 44,635.20 : x
  2. Step 2: Convert to fraction form
    124,609.69/186,868.37 = 44,635.20/x
  3. Step 3: Cross multiply
    124,609.69x = 186,868.37 × 44,635.20
  4. Step 4: Simplify right side
    124,609.69x = 8,340,907,279.52
  5. Step 5: Solve for x
    x = 8,340,907,279.52/124,609.69
  6. Step 6: Final answer
    x = 66,936.26

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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.