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Finding the Fourth Proportional to 75,597.92, 104,311.68 and 43,765.28

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Solution

The fourth proportional to 75,597.92, 104,311.68 and 43,765.28 is: 60,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,597.92 : 104,311.68 = 43,765.28 : x
  2. Step 2: Convert to fraction form
    75,597.92/104,311.68 = 43,765.28/x
  3. Step 3: Cross multiply
    75,597.92x = 104,311.68 × 43,765.28
  4. Step 4: Simplify right side
    75,597.92x = 4,565,229,882.47
  5. Step 5: Solve for x
    x = 4,565,229,882.47/75,597.92
  6. Step 6: Final answer
    x = 60,388.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.