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Finding the Fourth Proportional to 103,910.05, 155,865.13 and 25,024.25

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Solution

The fourth proportional to 103,910.05, 155,865.13 and 25,024.25 is: 37,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,910.05 : 155,865.13 = 25,024.25 : x
  2. Step 2: Convert to fraction form
    103,910.05/155,865.13 = 25,024.25/x
  3. Step 3: Cross multiply
    103,910.05x = 155,865.13 × 25,024.25
  4. Step 4: Simplify right side
    103,910.05x = 3,900,408,306.50
  5. Step 5: Solve for x
    x = 3,900,408,306.50/103,910.05
  6. Step 6: Final answer
    x = 37,536.39

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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.