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Finding the Fourth Proportional to 104,491.58, 156,737.37 and 25,605.12

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Solution

The fourth proportional to 104,491.58, 156,737.37 and 25,605.12 is: 38,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,491.58 : 156,737.37 = 25,605.12 : x
  2. Step 2: Convert to fraction form
    104,491.58/156,737.37 = 25,605.12/x
  3. Step 3: Cross multiply
    104,491.58x = 156,737.37 × 25,605.12
  4. Step 4: Simplify right side
    104,491.58x = 4,013,279,167.33
  5. Step 5: Solve for x
    x = 4,013,279,167.33/104,491.58
  6. Step 6: Final answer
    x = 38,407.68

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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.