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Finding the Fourth Proportional to 116,551.72, 160,839.26 and 68,158.26

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Solution

The fourth proportional to 116,551.72, 160,839.26 and 68,158.26 is: 94,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,551.72 : 160,839.26 = 68,158.26 : x
  2. Step 2: Convert to fraction form
    116,551.72/160,839.26 = 68,158.26/x
  3. Step 3: Cross multiply
    116,551.72x = 160,839.26 × 68,158.26
  4. Step 4: Simplify right side
    116,551.72x = 10,962,524,101.29
  5. Step 5: Solve for x
    x = 10,962,524,101.29/116,551.72
  6. Step 6: Final answer
    x = 94,057.16

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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.