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Finding the Fourth Proportional to 108,797.22, 163,195.04 and 76,643.96

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Solution

The fourth proportional to 108,797.22, 163,195.04 and 76,643.96 is: 114,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,797.22 : 163,195.04 = 76,643.96 : x
  2. Step 2: Convert to fraction form
    108,797.22/163,195.04 = 76,643.96/x
  3. Step 3: Cross multiply
    108,797.22x = 163,195.04 × 76,643.96
  4. Step 4: Simplify right side
    108,797.22x = 12,507,913,493.59
  5. Step 5: Solve for x
    x = 12,507,913,493.59/108,797.22
  6. Step 6: Final answer
    x = 114,965.38

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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.