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Finding the Fourth Proportional to 73,490.54, 110,235.56 and 20,182.56

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Solution

The fourth proportional to 73,490.54, 110,235.56 and 20,182.56 is: 30,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,490.54 : 110,235.56 = 20,182.56 : x
  2. Step 2: Convert to fraction form
    73,490.54/110,235.56 = 20,182.56/x
  3. Step 3: Cross multiply
    73,490.54x = 110,235.56 × 20,182.56
  4. Step 4: Simplify right side
    73,490.54x = 2,224,835,803.83
  5. Step 5: Solve for x
    x = 2,224,835,803.83/73,490.54
  6. Step 6: Final answer
    x = 30,273.77

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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.