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Finding the Fourth Proportional to 91,984.82, 137,950.58 and 35,812.41

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Solution

The fourth proportional to 91,984.82, 137,950.58 and 35,812.41 is: 53,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,984.82 : 137,950.58 = 35,812.41 : x
  2. Step 2: Convert to fraction form
    91,984.82/137,950.58 = 35,812.41/x
  3. Step 3: Cross multiply
    91,984.82x = 137,950.58 × 35,812.41
  4. Step 4: Simplify right side
    91,984.82x = 4,940,342,730.70
  5. Step 5: Solve for x
    x = 4,940,342,730.70/91,984.82
  6. Step 6: Final answer
    x = 53,708.24

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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.