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Finding the Fourth Proportional to 225,249.53, 310,813.67 and 134,586.34

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Solution

The fourth proportional to 225,249.53, 310,813.67 and 134,586.34 is: 185,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,249.53 : 310,813.67 = 134,586.34 : x
  2. Step 2: Convert to fraction form
    225,249.53/310,813.67 = 134,586.34/x
  3. Step 3: Cross multiply
    225,249.53x = 310,813.67 × 134,586.34
  4. Step 4: Simplify right side
    225,249.53x = 41,831,273,826.70
  5. Step 5: Solve for x
    x = 41,831,273,826.70/225,249.53
  6. Step 6: Final answer
    x = 185,710.82

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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.