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Finding the Fourth Proportional to 134,441.70, 201,662.55 and 40,947.30

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Solution

The fourth proportional to 134,441.70, 201,662.55 and 40,947.30 is: 61,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,441.70 : 201,662.55 = 40,947.30 : x
  2. Step 2: Convert to fraction form
    134,441.70/201,662.55 = 40,947.30/x
  3. Step 3: Cross multiply
    134,441.70x = 201,662.55 × 40,947.30
  4. Step 4: Simplify right side
    134,441.70x = 8,257,536,933.62
  5. Step 5: Solve for x
    x = 8,257,536,933.62/134,441.70
  6. Step 6: Final answer
    x = 61,420.95

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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.