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Finding the Fourth Proportional to 108,873.88, 163,309.37 and 52,719.01

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Solution

The fourth proportional to 108,873.88, 163,309.37 and 52,719.01 is: 79,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873.88 : 163,309.37 = 52,719.01 : x
  2. Step 2: Convert to fraction form
    108,873.88/163,309.37 = 52,719.01/x
  3. Step 3: Cross multiply
    108,873.88x = 163,309.37 × 52,719.01
  4. Step 4: Simplify right side
    108,873.88x = 8,609,508,310.12
  5. Step 5: Solve for x
    x = 8,609,508,310.12/108,873.88
  6. Step 6: Final answer
    x = 79,077.81

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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.