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Finding the Fourth Proportional to 116,012.15, 174,747.30 and 105,549.38

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Solution

The fourth proportional to 116,012.15, 174,747.30 and 105,549.38 is: 158,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,012.15 : 174,747.30 = 105,549.38 : x
  2. Step 2: Convert to fraction form
    116,012.15/174,747.30 = 105,549.38/x
  3. Step 3: Cross multiply
    116,012.15x = 174,747.30 × 105,549.38
  4. Step 4: Simplify right side
    116,012.15x = 18,444,469,171.67
  5. Step 5: Solve for x
    x = 18,444,469,171.67/116,012.15
  6. Step 6: Final answer
    x = 158,987.39

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.