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Finding the Fourth Proportional to 133,766.76, 200,627.40 and 40,250.64

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Solution

The fourth proportional to 133,766.76, 200,627.40 and 40,250.64 is: 60,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,766.76 : 200,627.40 = 40,250.64 : x
  2. Step 2: Convert to fraction form
    133,766.76/200,627.40 = 40,250.64/x
  3. Step 3: Cross multiply
    133,766.76x = 200,627.40 × 40,250.64
  4. Step 4: Simplify right side
    133,766.76x = 8,075,381,251.54
  5. Step 5: Solve for x
    x = 8,075,381,251.54/133,766.76
  6. Step 6: Final answer
    x = 60,369.12

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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.