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Finding the Fourth Proportional to 201,502.45, 302,199.68 and 61,223.41

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Solution

The fourth proportional to 201,502.45, 302,199.68 and 61,223.41 is: 91,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,502.45 : 302,199.68 = 61,223.41 : x
  2. Step 2: Convert to fraction form
    201,502.45/302,199.68 = 61,223.41/x
  3. Step 3: Cross multiply
    201,502.45x = 302,199.68 × 61,223.41
  4. Step 4: Simplify right side
    201,502.45x = 18,501,694,604.39
  5. Step 5: Solve for x
    x = 18,501,694,604.39/201,502.45
  6. Step 6: Final answer
    x = 91,818.71

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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.