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Finding the Fourth Proportional to 201,447.15, 302,251.45 and 73,372.38

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Solution

The fourth proportional to 201,447.15, 302,251.45 and 73,372.38 is: 110,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,447.15 : 302,251.45 = 73,372.38 : x
  2. Step 2: Convert to fraction form
    201,447.15/302,251.45 = 73,372.38/x
  3. Step 3: Cross multiply
    201,447.15x = 302,251.45 × 73,372.38
  4. Step 4: Simplify right side
    201,447.15x = 22,176,908,765.81
  5. Step 5: Solve for x
    x = 22,176,908,765.81/201,447.15
  6. Step 6: Final answer
    x = 110,087.97

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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.