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Finding the Fourth Proportional to 108,563.93, 163,096.19 and 104,079.95

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Solution

The fourth proportional to 108,563.93, 163,096.19 and 104,079.95 is: 156,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,563.93 : 163,096.19 = 104,079.95 : x
  2. Step 2: Convert to fraction form
    108,563.93/163,096.19 = 104,079.95/x
  3. Step 3: Cross multiply
    108,563.93x = 163,096.19 × 104,079.95
  4. Step 4: Simplify right side
    108,563.93x = 16,975,043,300.39
  5. Step 5: Solve for x
    x = 16,975,043,300.39/108,563.93
  6. Step 6: Final answer
    x = 156,359.88

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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.