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Finding the Fourth Proportional to 123,809.80, 185,788.48 and 44,930.18

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Solution

The fourth proportional to 123,809.80, 185,788.48 and 44,930.18 is: 67,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,809.80 : 185,788.48 = 44,930.18 : x
  2. Step 2: Convert to fraction form
    123,809.80/185,788.48 = 44,930.18/x
  3. Step 3: Cross multiply
    123,809.80x = 185,788.48 × 44,930.18
  4. Step 4: Simplify right side
    123,809.80x = 8,347,509,848.33
  5. Step 5: Solve for x
    x = 8,347,509,848.33/123,809.80
  6. Step 6: Final answer
    x = 67,422.04

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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.