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Finding the Fourth Proportional to 91,583.29, 137,425.97 and 49,462.48

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Solution

The fourth proportional to 91,583.29, 137,425.97 and 49,462.48 is: 74,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583.29 : 137,425.97 = 49,462.48 : x
  2. Step 2: Convert to fraction form
    91,583.29/137,425.97 = 49,462.48/x
  3. Step 3: Cross multiply
    91,583.29x = 137,425.97 × 49,462.48
  4. Step 4: Simplify right side
    91,583.29x = 6,797,429,292.61
  5. Step 5: Solve for x
    x = 6,797,429,292.61/91,583.29
  6. Step 6: Final answer
    x = 74,221.28

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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.