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Finding the Fourth Proportional to 108,530.88, 162,836.64 and 34,664.64

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Solution

The fourth proportional to 108,530.88, 162,836.64 and 34,664.64 is: 52,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,530.88 : 162,836.64 = 34,664.64 : x
  2. Step 2: Convert to fraction form
    108,530.88/162,836.64 = 34,664.64/x
  3. Step 3: Cross multiply
    108,530.88x = 162,836.64 × 34,664.64
  4. Step 4: Simplify right side
    108,530.88x = 5,644,673,504.41
  5. Step 5: Solve for x
    x = 5,644,673,504.41/108,530.88
  6. Step 6: Final answer
    x = 52,009.84

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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.