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Finding the Fourth Proportional to 104,472.38, 156,638.97 and 37,903.88

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Solution

The fourth proportional to 104,472.38, 156,638.97 and 37,903.88 is: 56,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,472.38 : 156,638.97 = 37,903.88 : x
  2. Step 2: Convert to fraction form
    104,472.38/156,638.97 = 37,903.88/x
  3. Step 3: Cross multiply
    104,472.38x = 156,638.97 × 37,903.88
  4. Step 4: Simplify right side
    104,472.38x = 5,937,224,722.20
  5. Step 5: Solve for x
    x = 5,937,224,722.20/104,472.38
  6. Step 6: Final answer
    x = 56,830.57

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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.