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Finding the Fourth Proportional to 244,899.56, 367,349.34 and 87,128.47

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Solution

The fourth proportional to 244,899.56, 367,349.34 and 87,128.47 is: 130,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,899.56 : 367,349.34 = 87,128.47 : x
  2. Step 2: Convert to fraction form
    244,899.56/367,349.34 = 87,128.47/x
  3. Step 3: Cross multiply
    244,899.56x = 367,349.34 × 87,128.47
  4. Step 4: Simplify right side
    244,899.56x = 32,006,586,735.63
  5. Step 5: Solve for x
    x = 32,006,586,735.63/244,899.56
  6. Step 6: Final answer
    x = 130,692.71

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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.