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Finding the Fourth Proportional to 103,481.57, 155,218.03 and 29,609.57

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Solution

The fourth proportional to 103,481.57, 155,218.03 and 29,609.57 is: 44,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,481.57 : 155,218.03 = 29,609.57 : x
  2. Step 2: Convert to fraction form
    103,481.57/155,218.03 = 29,609.57/x
  3. Step 3: Cross multiply
    103,481.57x = 155,218.03 × 29,609.57
  4. Step 4: Simplify right side
    103,481.57x = 4,595,939,124.55
  5. Step 5: Solve for x
    x = 4,595,939,124.55/103,481.57
  6. Step 6: Final answer
    x = 44,413.12

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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.