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Finding the Fourth Proportional to 115,960.74, 174,006.72 and 49,393.92

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Solution

The fourth proportional to 115,960.74, 174,006.72 and 49,393.92 is: 74,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,960.74 : 174,006.72 = 49,393.92 : x
  2. Step 2: Convert to fraction form
    115,960.74/174,006.72 = 49,393.92/x
  3. Step 3: Cross multiply
    115,960.74x = 174,006.72 × 49,393.92
  4. Step 4: Simplify right side
    115,960.74x = 8,594,874,007.14
  5. Step 5: Solve for x
    x = 8,594,874,007.14/115,960.74
  6. Step 6: Final answer
    x = 74,118.83

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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.