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Finding the Fourth Proportional to 108,370.74, 162,553.02 and 33,480

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Solution

The fourth proportional to 108,370.74, 162,553.02 and 33,480 is: 50,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,370.74 : 162,553.02 = 33,480 : x
  2. Step 2: Convert to fraction form
    108,370.74/162,553.02 = 33,480/x
  3. Step 3: Cross multiply
    108,370.74x = 162,553.02 × 33,480
  4. Step 4: Simplify right side
    108,370.74x = 5,442,275,109.60
  5. Step 5: Solve for x
    x = 5,442,275,109.60/108,370.74
  6. Step 6: Final answer
    x = 50,219.05

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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.