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Finding the Fourth Proportional to 64,208.91, 96,182.81 and 52,404.75

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Solution

The fourth proportional to 64,208.91, 96,182.81 and 52,404.75 is: 78,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.91 : 96,182.81 = 52,404.75 : x
  2. Step 2: Convert to fraction form
    64,208.91/96,182.81 = 52,404.75/x
  3. Step 3: Cross multiply
    64,208.91x = 96,182.81 × 52,404.75
  4. Step 4: Simplify right side
    64,208.91x = 5,040,435,850.32
  5. Step 5: Solve for x
    x = 5,040,435,850.32/64,208.91
  6. Step 6: Final answer
    x = 78,500.57

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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.