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Finding the Fourth Proportional to 91,792.11, 137,661.70 and 25,234.41

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Solution

The fourth proportional to 91,792.11, 137,661.70 and 25,234.41 is: 37,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.11 : 137,661.70 = 25,234.41 : x
  2. Step 2: Convert to fraction form
    91,792.11/137,661.70 = 25,234.41/x
  3. Step 3: Cross multiply
    91,792.11x = 137,661.70 × 25,234.41
  4. Step 4: Simplify right side
    91,792.11x = 3,473,811,434.94
  5. Step 5: Solve for x
    x = 3,473,811,434.94/91,792.11
  6. Step 6: Final answer
    x = 37,844.34

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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.