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Finding the Fourth Proportional to 225,821.00, 311,632.50 and 130,327.70

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Solution

The fourth proportional to 225,821.00, 311,632.50 and 130,327.70 is: 179,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,821.00 : 311,632.50 = 130,327.70 : x
  2. Step 2: Convert to fraction form
    225,821.00/311,632.50 = 130,327.70/x
  3. Step 3: Cross multiply
    225,821.00x = 311,632.50 × 130,327.70
  4. Step 4: Simplify right side
    225,821.00x = 40,614,345,412.09
  5. Step 5: Solve for x
    x = 40,614,345,412.09/225,821.00
  6. Step 6: Final answer
    x = 179,851.95

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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.