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Finding the Fourth Proportional to 115,894.98, 173,839.20 and 37,013.94

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Solution

The fourth proportional to 115,894.98, 173,839.20 and 37,013.94 is: 55,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,894.98 : 173,839.20 = 37,013.94 : x
  2. Step 2: Convert to fraction form
    115,894.98/173,839.20 = 37,013.94/x
  3. Step 3: Cross multiply
    115,894.98x = 173,839.20 × 37,013.94
  4. Step 4: Simplify right side
    115,894.98x = 6,434,473,718.45
  5. Step 5: Solve for x
    x = 6,434,473,718.45/115,894.98
  6. Step 6: Final answer
    x = 55,519.87

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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.