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Finding the Fourth Proportional to 144,576.70, 216,811.18 and 49,780.37

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Solution

The fourth proportional to 144,576.70, 216,811.18 and 49,780.37 is: 74,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,576.70 : 216,811.18 = 49,780.37 : x
  2. Step 2: Convert to fraction form
    144,576.70/216,811.18 = 49,780.37/x
  3. Step 3: Cross multiply
    144,576.70x = 216,811.18 × 49,780.37
  4. Step 4: Simplify right side
    144,576.70x = 10,792,940,511.63
  5. Step 5: Solve for x
    x = 10,792,940,511.63/144,576.70
  6. Step 6: Final answer
    x = 74,652.01

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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.