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Finding the Fourth Proportional to 75,373.44, 113,061.06 and 19,213.44

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Solution

The fourth proportional to 75,373.44, 113,061.06 and 19,213.44 is: 28,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,373.44 : 113,061.06 = 19,213.44 : x
  2. Step 2: Convert to fraction form
    75,373.44/113,061.06 = 19,213.44/x
  3. Step 3: Cross multiply
    75,373.44x = 113,061.06 × 19,213.44
  4. Step 4: Simplify right side
    75,373.44x = 2,172,291,892.65
  5. Step 5: Solve for x
    x = 2,172,291,892.65/75,373.44
  6. Step 6: Final answer
    x = 28,820.39

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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.