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Finding the Fourth Proportional to 144,394.38, 216,620.73 and 50,965.74

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Solution

The fourth proportional to 144,394.38, 216,620.73 and 50,965.74 is: 76,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,394.38 : 216,620.73 = 50,965.74 : x
  2. Step 2: Convert to fraction form
    144,394.38/216,620.73 = 50,965.74/x
  3. Step 3: Cross multiply
    144,394.38x = 216,620.73 × 50,965.74
  4. Step 4: Simplify right side
    144,394.38x = 11,040,235,803.79
  5. Step 5: Solve for x
    x = 11,040,235,803.79/144,394.38
  6. Step 6: Final answer
    x = 76,458.90

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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.