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Finding the Fourth Proportional to 104,138.21, 156,174.99 and 37,569.67

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Solution

The fourth proportional to 104,138.21, 156,174.99 and 37,569.67 is: 56,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,138.21 : 156,174.99 = 37,569.67 : x
  2. Step 2: Convert to fraction form
    104,138.21/156,174.99 = 37,569.67/x
  3. Step 3: Cross multiply
    104,138.21x = 156,174.99 × 37,569.67
  4. Step 4: Simplify right side
    104,138.21x = 5,867,442,149.60
  5. Step 5: Solve for x
    x = 5,867,442,149.60/104,138.21
  6. Step 6: Final answer
    x = 56,342.84

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1.5x scale

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.