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Finding the Fourth Proportional to 108,692.21, 163,017.56 and 33,813.28

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Solution

The fourth proportional to 108,692.21, 163,017.56 and 33,813.28 is: 50,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,692.21 : 163,017.56 = 33,813.28 : x
  2. Step 2: Convert to fraction form
    108,692.21/163,017.56 = 33,813.28/x
  3. Step 3: Cross multiply
    108,692.21x = 163,017.56 × 33,813.28
  4. Step 4: Simplify right side
    108,692.21x = 5,512,158,689.50
  5. Step 5: Solve for x
    x = 5,512,158,689.50/108,692.21
  6. Step 6: Final answer
    x = 50,713.46

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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.