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Finding the Fourth Proportional to 116,611.55, 160,932.11 and 65,629.19

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Solution

The fourth proportional to 116,611.55, 160,932.11 and 65,629.19 is: 90,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,611.55 : 160,932.11 = 65,629.19 : x
  2. Step 2: Convert to fraction form
    116,611.55/160,932.11 = 65,629.19/x
  3. Step 3: Cross multiply
    116,611.55x = 160,932.11 × 65,629.19
  4. Step 4: Simplify right side
    116,611.55x = 10,561,844,024.29
  5. Step 5: Solve for x
    x = 10,561,844,024.29/116,611.55
  6. Step 6: Final answer
    x = 90,572.88

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