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Finding the Fourth Proportional to 108,410.32, 162,579 and 36,348.64

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Solution

The fourth proportional to 108,410.32, 162,579 and 36,348.64 is: 54,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,410.32 : 162,579 = 36,348.64 : x
  2. Step 2: Convert to fraction form
    108,410.32/162,579 = 36,348.64/x
  3. Step 3: Cross multiply
    108,410.32x = 162,579 × 36,348.64
  4. Step 4: Simplify right side
    108,410.32x = 5,909,525,542.56
  5. Step 5: Solve for x
    x = 5,909,525,542.56/108,410.32
  6. Step 6: Final answer
    x = 54,510.73

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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.