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Finding the Fourth Proportional to 73,699.83, 101,700.90 and 41,439.42

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Solution

The fourth proportional to 73,699.83, 101,700.90 and 41,439.42 is: 57,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.83 : 101,700.90 = 41,439.42 : x
  2. Step 2: Convert to fraction form
    73,699.83/101,700.90 = 41,439.42/x
  3. Step 3: Cross multiply
    73,699.83x = 101,700.90 × 41,439.42
  4. Step 4: Simplify right side
    73,699.83x = 4,214,426,309.48
  5. Step 5: Solve for x
    x = 4,214,426,309.48/73,699.83
  6. Step 6: Final answer
    x = 57,183.66

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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.