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Finding the Fourth Proportional to 75,910.99, 113,866.62 and 23,320.12

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Solution

The fourth proportional to 75,910.99, 113,866.62 and 23,320.12 is: 34,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,910.99 : 113,866.62 = 23,320.12 : x
  2. Step 2: Convert to fraction form
    75,910.99/113,866.62 = 23,320.12/x
  3. Step 3: Cross multiply
    75,910.99x = 113,866.62 × 23,320.12
  4. Step 4: Simplify right side
    75,910.99x = 2,655,382,556.46
  5. Step 5: Solve for x
    x = 2,655,382,556.46/75,910.99
  6. Step 6: Final answer
    x = 34,980.21

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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.