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Finding the Fourth Proportional to 113,103.30, 156,105.72 and 65,350.29

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Solution

The fourth proportional to 113,103.30, 156,105.72 and 65,350.29 is: 90,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103.30 : 156,105.72 = 65,350.29 : x
  2. Step 2: Convert to fraction form
    113,103.30/156,105.72 = 65,350.29/x
  3. Step 3: Cross multiply
    113,103.30x = 156,105.72 × 65,350.29
  4. Step 4: Simplify right side
    113,103.30x = 10,201,554,072.66
  5. Step 5: Solve for x
    x = 10,201,554,072.66/113,103.30
  6. Step 6: Final answer
    x = 90,196.79

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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.