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Finding the Fourth Proportional to 75,484.86, 113,240.97 and 61,568.25

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Solution

The fourth proportional to 75,484.86, 113,240.97 and 61,568.25 is: 92,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,484.86 : 113,240.97 = 61,568.25 : x
  2. Step 2: Convert to fraction form
    75,484.86/113,240.97 = 61,568.25/x
  3. Step 3: Cross multiply
    75,484.86x = 113,240.97 × 61,568.25
  4. Step 4: Simplify right side
    75,484.86x = 6,972,048,351.20
  5. Step 5: Solve for x
    x = 6,972,048,351.20/75,484.86
  6. Step 6: Final answer
    x = 92,363.53

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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.