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Finding the Fourth Proportional to 84,171.34, 116,167.53 and 58,661.20

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Solution

The fourth proportional to 84,171.34, 116,167.53 and 58,661.20 is: 80,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.34 : 116,167.53 = 58,661.20 : x
  2. Step 2: Convert to fraction form
    84,171.34/116,167.53 = 58,661.20/x
  3. Step 3: Cross multiply
    84,171.34x = 116,167.53 × 58,661.20
  4. Step 4: Simplify right side
    84,171.34x = 6,814,526,710.84
  5. Step 5: Solve for x
    x = 6,814,526,710.84/84,171.34
  6. Step 6: Final answer
    x = 80,960.18

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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.