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Finding the Fourth Proportional to 108,406.80, 162,625.50 and 33,533.50

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Solution

The fourth proportional to 108,406.80, 162,625.50 and 33,533.50 is: 50,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,406.80 : 162,625.50 = 33,533.50 : x
  2. Step 2: Convert to fraction form
    108,406.80/162,625.50 = 33,533.50/x
  3. Step 3: Cross multiply
    108,406.80x = 162,625.50 × 33,533.50
  4. Step 4: Simplify right side
    108,406.80x = 5,453,402,204.25
  5. Step 5: Solve for x
    x = 5,453,402,204.25/108,406.80
  6. Step 6: Final answer
    x = 50,304.98

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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.