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Finding the Fourth Proportional to 116,699.80, 161,044.44 and 68,952.16

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Solution

The fourth proportional to 116,699.80, 161,044.44 and 68,952.16 is: 95,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,699.80 : 161,044.44 = 68,952.16 : x
  2. Step 2: Convert to fraction form
    116,699.80/161,044.44 = 68,952.16/x
  3. Step 3: Cross multiply
    116,699.80x = 161,044.44 × 68,952.16
  4. Step 4: Simplify right side
    116,699.80x = 11,104,361,993.99
  5. Step 5: Solve for x
    x = 11,104,361,993.99/116,699.80
  6. Step 6: Final answer
    x = 95,153.22

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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.