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Finding the Fourth Proportional to 73,200.80, 109,800.88 and 17,796.96

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Solution

The fourth proportional to 73,200.80, 109,800.88 and 17,796.96 is: 26,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,200.80 : 109,800.88 = 17,796.96 : x
  2. Step 2: Convert to fraction form
    73,200.80/109,800.88 = 17,796.96/x
  3. Step 3: Cross multiply
    73,200.80x = 109,800.88 × 17,796.96
  4. Step 4: Simplify right side
    73,200.80x = 1,954,121,869.32
  5. Step 5: Solve for x
    x = 1,954,121,869.32/73,200.80
  6. Step 6: Final answer
    x = 26,695.36

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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.