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Finding the Fourth Proportional to 108,818.04, 163,171.49 and 63,927.08

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Solution

The fourth proportional to 108,818.04, 163,171.49 and 63,927.08 is: 95,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,818.04 : 163,171.49 = 63,927.08 : x
  2. Step 2: Convert to fraction form
    108,818.04/163,171.49 = 63,927.08/x
  3. Step 3: Cross multiply
    108,818.04x = 163,171.49 × 63,927.08
  4. Step 4: Simplify right side
    108,818.04x = 10,431,076,079.09
  5. Step 5: Solve for x
    x = 10,431,076,079.09/108,818.04
  6. Step 6: Final answer
    x = 95,857.97

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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.