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Finding the Fourth Proportional to 64,861.86, 97,292.79 and 50,092.32

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Solution

The fourth proportional to 64,861.86, 97,292.79 and 50,092.32 is: 75,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,861.86 : 97,292.79 = 50,092.32 : x
  2. Step 2: Convert to fraction form
    64,861.86/97,292.79 = 50,092.32/x
  3. Step 3: Cross multiply
    64,861.86x = 97,292.79 × 50,092.32
  4. Step 4: Simplify right side
    64,861.86x = 4,873,621,570.37
  5. Step 5: Solve for x
    x = 4,873,621,570.37/64,861.86
  6. Step 6: Final answer
    x = 75,138.48

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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.