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Finding the Fourth Proportional to 108,033.40, 161,963.70 and 45,652.60

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Solution

The fourth proportional to 108,033.40, 161,963.70 and 45,652.60 is: 68,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,033.40 : 161,963.70 = 45,652.60 : x
  2. Step 2: Convert to fraction form
    108,033.40/161,963.70 = 45,652.60/x
  3. Step 3: Cross multiply
    108,033.40x = 161,963.70 × 45,652.60
  4. Step 4: Simplify right side
    108,033.40x = 7,394,064,010.62
  5. Step 5: Solve for x
    x = 7,394,064,010.62/108,033.40
  6. Step 6: Final answer
    x = 68,442.39

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1.5x scale

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.