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Finding the Fourth Proportional to 116,469.34, 174,702.60 and 82,133.68

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Solution

The fourth proportional to 116,469.34, 174,702.60 and 82,133.68 is: 123,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,469.34 : 174,702.60 = 82,133.68 : x
  2. Step 2: Convert to fraction form
    116,469.34/174,702.60 = 82,133.68/x
  3. Step 3: Cross multiply
    116,469.34x = 174,702.60 × 82,133.68
  4. Step 4: Simplify right side
    116,469.34x = 14,348,967,443.57
  5. Step 5: Solve for x
    x = 14,348,967,443.57/116,469.34
  6. Step 6: Final answer
    x = 123,199.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.