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Finding the Fourth Proportional to 75,900.70, 113,851.05 and 23,310.10

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Solution

The fourth proportional to 75,900.70, 113,851.05 and 23,310.10 is: 34,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,900.70 : 113,851.05 = 23,310.10 : x
  2. Step 2: Convert to fraction form
    75,900.70/113,851.05 = 23,310.10/x
  3. Step 3: Cross multiply
    75,900.70x = 113,851.05 × 23,310.10
  4. Step 4: Simplify right side
    75,900.70x = 2,653,879,360.61
  5. Step 5: Solve for x
    x = 2,653,879,360.61/75,900.70
  6. Step 6: Final answer
    x = 34,965.15

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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.