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Finding the Fourth Proportional to 225,213.48, 310,745.30 and 134,555.85

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Solution

The fourth proportional to 225,213.48, 310,745.30 and 134,555.85 is: 185,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,213.48 : 310,745.30 = 134,555.85 : x
  2. Step 2: Convert to fraction form
    225,213.48/310,745.30 = 134,555.85/x
  3. Step 3: Cross multiply
    225,213.48x = 310,745.30 × 134,555.85
  4. Step 4: Simplify right side
    225,213.48x = 41,812,597,302.23
  5. Step 5: Solve for x
    x = 41,812,597,302.23/225,213.48
  6. Step 6: Final answer
    x = 185,657.61

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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.