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Finding the Fourth Proportional to 225,523.60, 311,222.54 and 134,879.55

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Solution

The fourth proportional to 225,523.60, 311,222.54 and 134,879.55 is: 186,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,523.60 : 311,222.54 = 134,879.55 : x
  2. Step 2: Convert to fraction form
    225,523.60/311,222.54 = 134,879.55/x
  3. Step 3: Cross multiply
    225,523.60x = 311,222.54 × 134,879.55
  4. Step 4: Simplify right side
    225,523.60x = 41,977,557,260.31
  5. Step 5: Solve for x
    x = 41,977,557,260.31/225,523.60
  6. Step 6: Final answer
    x = 186,133.77

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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.