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Finding the Fourth Proportional to 225,742.01, 338,609.57 and 54,965.32

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Solution

The fourth proportional to 225,742.01, 338,609.57 and 54,965.32 is: 82,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,742.01 : 338,609.57 = 54,965.32 : x
  2. Step 2: Convert to fraction form
    225,742.01/338,609.57 = 54,965.32/x
  3. Step 3: Cross multiply
    225,742.01x = 338,609.57 × 54,965.32
  4. Step 4: Simplify right side
    225,742.01x = 18,611,782,248.76
  5. Step 5: Solve for x
    x = 18,611,782,248.76/225,742.01
  6. Step 6: Final answer
    x = 82,447.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.