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Finding the Fourth Proportional to 144,488.44, 216,755.79 and 44,625.16

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Solution

The fourth proportional to 144,488.44, 216,755.79 and 44,625.16 is: 66,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,488.44 : 216,755.79 = 44,625.16 : x
  2. Step 2: Convert to fraction form
    144,488.44/216,755.79 = 44,625.16/x
  3. Step 3: Cross multiply
    144,488.44x = 216,755.79 × 44,625.16
  4. Step 4: Simplify right side
    144,488.44x = 9,672,761,809.68
  5. Step 5: Solve for x
    x = 9,672,761,809.68/144,488.44
  6. Step 6: Final answer
    x = 66,944.88

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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.