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Finding the Fourth Proportional to 225,757.17, 311,550.84 and 127,632.60

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Solution

The fourth proportional to 225,757.17, 311,550.84 and 127,632.60 is: 176,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,757.17 : 311,550.84 = 127,632.60 : x
  2. Step 2: Convert to fraction form
    225,757.17/311,550.84 = 127,632.60/x
  3. Step 3: Cross multiply
    225,757.17x = 311,550.84 × 127,632.60
  4. Step 4: Simplify right side
    225,757.17x = 39,764,043,741.38
  5. Step 5: Solve for x
    x = 39,764,043,741.38/225,757.17
  6. Step 6: Final answer
    x = 176,136.35

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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.