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Finding the Fourth Proportional to 144,288.53, 216,456.49 and 44,446.54

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Solution

The fourth proportional to 144,288.53, 216,456.49 and 44,446.54 is: 66,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.53 : 216,456.49 = 44,446.54 : x
  2. Step 2: Convert to fraction form
    144,288.53/216,456.49 = 44,446.54/x
  3. Step 3: Cross multiply
    144,288.53x = 216,456.49 × 44,446.54
  4. Step 4: Simplify right side
    144,288.53x = 9,620,741,555.46
  5. Step 5: Solve for x
    x = 9,620,741,555.46/144,288.53
  6. Step 6: Final answer
    x = 66,677.10

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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.