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Finding the Fourth Proportional to 108,355.75, 162,549.17 and 33,482.43

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Solution

The fourth proportional to 108,355.75, 162,549.17 and 33,482.43 is: 50,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,355.75 : 162,549.17 = 33,482.43 : x
  2. Step 2: Convert to fraction form
    108,355.75/162,549.17 = 33,482.43/x
  3. Step 3: Cross multiply
    108,355.75x = 162,549.17 × 33,482.43
  4. Step 4: Simplify right side
    108,355.75x = 5,442,541,206.08
  5. Step 5: Solve for x
    x = 5,442,541,206.08/108,355.75
  6. Step 6: Final answer
    x = 50,228.45

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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.