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Finding the Fourth Proportional to 104,404.76, 156,605.78 and 25,519.68

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Solution

The fourth proportional to 104,404.76, 156,605.78 and 25,519.68 is: 38,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.76 : 156,605.78 = 25,519.68 : x
  2. Step 2: Convert to fraction form
    104,404.76/156,605.78 = 25,519.68/x
  3. Step 3: Cross multiply
    104,404.76x = 156,605.78 × 25,519.68
  4. Step 4: Simplify right side
    104,404.76x = 3,996,529,391.75
  5. Step 5: Solve for x
    x = 3,996,529,391.75/104,404.76
  6. Step 6: Final answer
    x = 38,279.19

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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.