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Finding the Fourth Proportional to 116,537.60, 160,822.40 and 66,233.60

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Solution

The fourth proportional to 116,537.60, 160,822.40 and 66,233.60 is: 91,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,537.60 : 160,822.40 = 66,233.60 : x
  2. Step 2: Convert to fraction form
    116,537.60/160,822.40 = 66,233.60/x
  3. Step 3: Cross multiply
    116,537.60x = 160,822.40 × 66,233.60
  4. Step 4: Simplify right side
    116,537.60x = 10,651,846,512.64
  5. Step 5: Solve for x
    x = 10,651,846,512.64/116,537.60
  6. Step 6: Final answer
    x = 91,402.66

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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.