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Finding the Fourth Proportional to 108,704.30, 163,075.28 and 36,650.34

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Solution

The fourth proportional to 108,704.30, 163,075.28 and 36,650.34 is: 54,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.30 : 163,075.28 = 36,650.34 : x
  2. Step 2: Convert to fraction form
    108,704.30/163,075.28 = 36,650.34/x
  3. Step 3: Cross multiply
    108,704.30x = 163,075.28 × 36,650.34
  4. Step 4: Simplify right side
    108,704.30x = 5,976,764,274.34
  5. Step 5: Solve for x
    x = 5,976,764,274.34/108,704.30
  6. Step 6: Final answer
    x = 54,981.86

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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.