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Finding the Fourth Proportional to 116,950.99, 161,392.13 and 65,963.57

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Solution

The fourth proportional to 116,950.99, 161,392.13 and 65,963.57 is: 91,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,950.99 : 161,392.13 = 65,963.57 : x
  2. Step 2: Convert to fraction form
    116,950.99/161,392.13 = 65,963.57/x
  3. Step 3: Cross multiply
    116,950.99x = 161,392.13 × 65,963.57
  4. Step 4: Simplify right side
    116,950.99x = 10,646,000,175.29
  5. Step 5: Solve for x
    x = 10,646,000,175.29/116,950.99
  6. Step 6: Final answer
    x = 91,029.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.