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Finding the Fourth Proportional to 116,558.88, 160,850.52 and 66,257.88

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Solution

The fourth proportional to 116,558.88, 160,850.52 and 66,257.88 is: 91,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.88 : 160,850.52 = 66,257.88 : x
  2. Step 2: Convert to fraction form
    116,558.88/160,850.52 = 66,257.88/x
  3. Step 3: Cross multiply
    116,558.88x = 160,850.52 × 66,257.88
  4. Step 4: Simplify right side
    116,558.88x = 10,657,614,452.10
  5. Step 5: Solve for x
    x = 10,657,614,452.10/116,558.88
  6. Step 6: Final answer
    x = 91,435.46

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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.