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Finding the Fourth Proportional to 116,932, 161,369.84 and 66,634.24

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Solution

The fourth proportional to 116,932, 161,369.84 and 66,634.24 is: 91,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,932 : 161,369.84 = 66,634.24 : x
  2. Step 2: Convert to fraction form
    116,932/161,369.84 = 66,634.24/x
  3. Step 3: Cross multiply
    116,932x = 161,369.84 × 66,634.24
  4. Step 4: Simplify right side
    116,932x = 10,752,756,647.32
  5. Step 5: Solve for x
    x = 10,752,756,647.32/116,932
  6. Step 6: Final answer
    x = 91,957.35

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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.