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Finding the Fourth Proportional to 144,447.37, 216,695.25 and 49,673.71

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Solution

The fourth proportional to 144,447.37, 216,695.25 and 49,673.71 is: 74,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,447.37 : 216,695.25 = 49,673.71 : x
  2. Step 2: Convert to fraction form
    144,447.37/216,695.25 = 49,673.71/x
  3. Step 3: Cross multiply
    144,447.37x = 216,695.25 × 49,673.71
  4. Step 4: Simplify right side
    144,447.37x = 10,764,057,006.88
  5. Step 5: Solve for x
    x = 10,764,057,006.88/144,447.37
  6. Step 6: Final answer
    x = 74,518.89

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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.