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Finding the Fourth Proportional to 201,624.58, 302,480.61 and 61,379.56

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Solution

The fourth proportional to 201,624.58, 302,480.61 and 61,379.56 is: 92,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.58 : 302,480.61 = 61,379.56 : x
  2. Step 2: Convert to fraction form
    201,624.58/302,480.61 = 61,379.56/x
  3. Step 3: Cross multiply
    201,624.58x = 302,480.61 × 61,379.56
  4. Step 4: Simplify right side
    201,624.58x = 18,566,126,750.33
  5. Step 5: Solve for x
    x = 18,566,126,750.33/201,624.58
  6. Step 6: Final answer
    x = 92,082.66

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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.