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Finding the Fourth Proportional to 75,254.82, 112,811.61 and 25,299.99

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Solution

The fourth proportional to 75,254.82, 112,811.61 and 25,299.99 is: 37,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,254.82 : 112,811.61 = 25,299.99 : x
  2. Step 2: Convert to fraction form
    75,254.82/112,811.61 = 25,299.99/x
  3. Step 3: Cross multiply
    75,254.82x = 112,811.61 × 25,299.99
  4. Step 4: Simplify right side
    75,254.82x = 2,854,132,604.88
  5. Step 5: Solve for x
    x = 2,854,132,604.88/75,254.82
  6. Step 6: Final answer
    x = 37,926.24

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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.