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Finding the Fourth Proportional to 75,376.51, 113,081.16 and 22,784.63

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Solution

The fourth proportional to 75,376.51, 113,081.16 and 22,784.63 is: 34,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,376.51 : 113,081.16 = 22,784.63 : x
  2. Step 2: Convert to fraction form
    75,376.51/113,081.16 = 22,784.63/x
  3. Step 3: Cross multiply
    75,376.51x = 113,081.16 × 22,784.63
  4. Step 4: Simplify right side
    75,376.51x = 2,576,511,910.61
  5. Step 5: Solve for x
    x = 2,576,511,910.61/75,376.51
  6. Step 6: Final answer
    x = 34,181.90

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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.