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Finding the Fourth Proportional to 72,583.66, 108,891.04 and 25,200.24

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Solution

The fourth proportional to 72,583.66, 108,891.04 and 25,200.24 is: 37,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583.66 : 108,891.04 = 25,200.24 : x
  2. Step 2: Convert to fraction form
    72,583.66/108,891.04 = 25,200.24/x
  3. Step 3: Cross multiply
    72,583.66x = 108,891.04 × 25,200.24
  4. Step 4: Simplify right side
    72,583.66x = 2,744,080,341.85
  5. Step 5: Solve for x
    x = 2,744,080,341.85/72,583.66
  6. Step 6: Final answer
    x = 37,805.76

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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.