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Finding the Fourth Proportional to 73,537.99, 110,288.76 and 20,947.93

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Solution

The fourth proportional to 73,537.99, 110,288.76 and 20,947.93 is: 31,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,537.99 : 110,288.76 = 20,947.93 : x
  2. Step 2: Convert to fraction form
    73,537.99/110,288.76 = 20,947.93/x
  3. Step 3: Cross multiply
    73,537.99x = 110,288.76 × 20,947.93
  4. Step 4: Simplify right side
    73,537.99x = 2,310,321,224.27
  5. Step 5: Solve for x
    x = 2,310,321,224.27/73,537.99
  6. Step 6: Final answer
    x = 31,416.70

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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.