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Finding the Fourth Proportional to 108,679.62, 162,904.37 and 36,563.88

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Solution

The fourth proportional to 108,679.62, 162,904.37 and 36,563.88 is: 54,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,679.62 : 162,904.37 = 36,563.88 : x
  2. Step 2: Convert to fraction form
    108,679.62/162,904.37 = 36,563.88/x
  3. Step 3: Cross multiply
    108,679.62x = 162,904.37 × 36,563.88
  4. Step 4: Simplify right side
    108,679.62x = 5,956,415,653.34
  5. Step 5: Solve for x
    x = 5,956,415,653.34/108,679.62
  6. Step 6: Final answer
    x = 54,807.11

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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.