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Finding the Fourth Proportional to 144,329.26, 216,494.16 and 55,624.54

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Solution

The fourth proportional to 144,329.26, 216,494.16 and 55,624.54 is: 83,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,329.26 : 216,494.16 = 55,624.54 : x
  2. Step 2: Convert to fraction form
    144,329.26/216,494.16 = 55,624.54/x
  3. Step 3: Cross multiply
    144,329.26x = 216,494.16 × 55,624.54
  4. Step 4: Simplify right side
    144,329.26x = 12,042,388,062.69
  5. Step 5: Solve for x
    x = 12,042,388,062.69/144,329.26
  6. Step 6: Final answer
    x = 83,436.91

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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.