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Finding the Fourth Proportional to 104,650.72, 156,974.79 and 25,765.63

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Solution

The fourth proportional to 104,650.72, 156,974.79 and 25,765.63 is: 38,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.72 : 156,974.79 = 25,765.63 : x
  2. Step 2: Convert to fraction form
    104,650.72/156,974.79 = 25,765.63/x
  3. Step 3: Cross multiply
    104,650.72x = 156,974.79 × 25,765.63
  4. Step 4: Simplify right side
    104,650.72x = 4,044,554,358.47
  5. Step 5: Solve for x
    x = 4,044,554,358.47/104,650.72
  6. Step 6: Final answer
    x = 38,648.13

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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.