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Finding the Fourth Proportional to 75,908.99, 113,932.94 and 38,494.89

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Solution

The fourth proportional to 75,908.99, 113,932.94 and 38,494.89 is: 57,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.99 : 113,932.94 = 38,494.89 : x
  2. Step 2: Convert to fraction form
    75,908.99/113,932.94 = 38,494.89/x
  3. Step 3: Cross multiply
    75,908.99x = 113,932.94 × 38,494.89
  4. Step 4: Simplify right side
    75,908.99x = 4,385,835,800.20
  5. Step 5: Solve for x
    x = 4,385,835,800.20/75,908.99
  6. Step 6: Final answer
    x = 57,777.55

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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.