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Finding the Fourth Proportional to 185,097.15, 277,601.99 and 79,858.71

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Solution

The fourth proportional to 185,097.15, 277,601.99 and 79,858.71 is: 119,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,097.15 : 277,601.99 = 79,858.71 : x
  2. Step 2: Convert to fraction form
    185,097.15/277,601.99 = 79,858.71/x
  3. Step 3: Cross multiply
    185,097.15x = 277,601.99 × 79,858.71
  4. Step 4: Simplify right side
    185,097.15x = 22,168,936,415.54
  5. Step 5: Solve for x
    x = 22,168,936,415.54/185,097.15
  6. Step 6: Final answer
    x = 119,769.19

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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.