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Finding the Fourth Proportional to 225,310.23, 310,906.85 and 134,648.15

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Solution

The fourth proportional to 225,310.23, 310,906.85 and 134,648.15 is: 185,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,310.23 : 310,906.85 = 134,648.15 : x
  2. Step 2: Convert to fraction form
    225,310.23/310,906.85 = 134,648.15/x
  3. Step 3: Cross multiply
    225,310.23x = 310,906.85 × 134,648.15
  4. Step 4: Simplify right side
    225,310.23x = 41,863,030,620.29
  5. Step 5: Solve for x
    x = 41,863,030,620.29/225,310.23
  6. Step 6: Final answer
    x = 185,801.73

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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.