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Finding the Fourth Proportional to 64,149.87, 88,523.26 and 35,467.87

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Solution

The fourth proportional to 64,149.87, 88,523.26 and 35,467.87 is: 48,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.87 : 88,523.26 = 35,467.87 : x
  2. Step 2: Convert to fraction form
    64,149.87/88,523.26 = 35,467.87/x
  3. Step 3: Cross multiply
    64,149.87x = 88,523.26 × 35,467.87
  4. Step 4: Simplify right side
    64,149.87x = 3,139,731,300.68
  5. Step 5: Solve for x
    x = 3,139,731,300.68/64,149.87
  6. Step 6: Final answer
    x = 48,943.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.