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Finding the Fourth Proportional to 225,524.60, 311,223.92 and 134,880.55

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Solution

The fourth proportional to 225,524.60, 311,223.92 and 134,880.55 is: 186,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,524.60 : 311,223.92 = 134,880.55 : x
  2. Step 2: Convert to fraction form
    225,524.60/311,223.92 = 134,880.55/x
  3. Step 3: Cross multiply
    225,524.60x = 311,223.92 × 134,880.55
  4. Step 4: Simplify right side
    225,524.60x = 41,978,053,502.76
  5. Step 5: Solve for x
    x = 41,978,053,502.76/225,524.60
  6. Step 6: Final answer
    x = 186,135.14

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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.