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Finding the Fourth Proportional to 103,765.80, 155,591.10 and 41,365.80

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Solution

The fourth proportional to 103,765.80, 155,591.10 and 41,365.80 is: 62,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,765.80 : 155,591.10 = 41,365.80 : x
  2. Step 2: Convert to fraction form
    103,765.80/155,591.10 = 41,365.80/x
  3. Step 3: Cross multiply
    103,765.80x = 155,591.10 × 41,365.80
  4. Step 4: Simplify right side
    103,765.80x = 6,436,150,324.38
  5. Step 5: Solve for x
    x = 6,436,150,324.38/103,765.80
  6. Step 6: Final answer
    x = 62,025.74

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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.