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Finding the Fourth Proportional to 108,871.62, 163,326.56 and 49,713.27

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Solution

The fourth proportional to 108,871.62, 163,326.56 and 49,713.27 is: 74,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871.62 : 163,326.56 = 49,713.27 : x
  2. Step 2: Convert to fraction form
    108,871.62/163,326.56 = 49,713.27/x
  3. Step 3: Cross multiply
    108,871.62x = 163,326.56 × 49,713.27
  4. Step 4: Simplify right side
    108,871.62x = 8,119,497,126.88
  5. Step 5: Solve for x
    x = 8,119,497,126.88/108,871.62
  6. Step 6: Final answer
    x = 74,578.64

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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.