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Finding the Fourth Proportional to 225,489.92, 311,153.44 and 134,827.72

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Solution

The fourth proportional to 225,489.92, 311,153.44 and 134,827.72 is: 186,048.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,489.92 : 311,153.44 = 134,827.72 : x
  2. Step 2: Convert to fraction form
    225,489.92/311,153.44 = 134,827.72/x
  3. Step 3: Cross multiply
    225,489.92x = 311,153.44 × 134,827.72
  4. Step 4: Simplify right side
    225,489.92x = 41,952,108,885.36
  5. Step 5: Solve for x
    x = 41,952,108,885.36/225,489.92
  6. Step 6: Final answer
    x = 186,048.71

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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.