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Finding the Fourth Proportional to 225,758.17, 311,552.22 and 127,633.60

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Solution

The fourth proportional to 225,758.17, 311,552.22 and 127,633.60 is: 176,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,758.17 : 311,552.22 = 127,633.60 : x
  2. Step 2: Convert to fraction form
    225,758.17/311,552.22 = 127,633.60/x
  3. Step 3: Cross multiply
    225,758.17x = 311,552.22 × 127,633.60
  4. Step 4: Simplify right side
    225,758.17x = 39,764,531,426.59
  5. Step 5: Solve for x
    x = 39,764,531,426.59/225,758.17
  6. Step 6: Final answer
    x = 176,137.73

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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.