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Finding the Fourth Proportional to 144,628.73, 216,565.83 and 116,394.56

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Solution

The fourth proportional to 144,628.73, 216,565.83 and 116,394.56 is: 174,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,628.73 : 216,565.83 = 116,394.56 : x
  2. Step 2: Convert to fraction form
    144,628.73/216,565.83 = 116,394.56/x
  3. Step 3: Cross multiply
    144,628.73x = 216,565.83 × 116,394.56
  4. Step 4: Simplify right side
    144,628.73x = 25,207,084,493.88
  5. Step 5: Solve for x
    x = 25,207,084,493.88/144,628.73
  6. Step 6: Final answer
    x = 174,288.22

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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.