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Finding the Fourth Proportional to 185,007.30, 277,640.55 and 79,901.70

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Solution

The fourth proportional to 185,007.30, 277,640.55 and 79,901.70 is: 119,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,007.30 : 277,640.55 = 79,901.70 : x
  2. Step 2: Convert to fraction form
    185,007.30/277,640.55 = 79,901.70/x
  3. Step 3: Cross multiply
    185,007.30x = 277,640.55 × 79,901.70
  4. Step 4: Simplify right side
    185,007.30x = 22,183,951,933.94
  5. Step 5: Solve for x
    x = 22,183,951,933.94/185,007.30
  6. Step 6: Final answer
    x = 119,908.52

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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.