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Finding the Fourth Proportional to 225,080.35, 310,576.37 and 129,568.59

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Solution

The fourth proportional to 225,080.35, 310,576.37 and 129,568.59 is: 178,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,080.35 : 310,576.37 = 129,568.59 : x
  2. Step 2: Convert to fraction form
    225,080.35/310,576.37 = 129,568.59/x
  3. Step 3: Cross multiply
    225,080.35x = 310,576.37 × 129,568.59
  4. Step 4: Simplify right side
    225,080.35x = 40,240,942,348.22
  5. Step 5: Solve for x
    x = 40,240,942,348.22/225,080.35
  6. Step 6: Final answer
    x = 178,784.79

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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.