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Finding the Fourth Proportional to 225,797.04, 311,699.39 and 158,079.83

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Solution

The fourth proportional to 225,797.04, 311,699.39 and 158,079.83 is: 218,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,797.04 : 311,699.39 = 158,079.83 : x
  2. Step 2: Convert to fraction form
    225,797.04/311,699.39 = 158,079.83/x
  3. Step 3: Cross multiply
    225,797.04x = 311,699.39 × 158,079.83
  4. Step 4: Simplify right side
    225,797.04x = 49,273,384,233.41
  5. Step 5: Solve for x
    x = 49,273,384,233.41/225,797.04
  6. Step 6: Final answer
    x = 218,219.80

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1.5x scale

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.