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Finding the Fourth Proportional to 110,880.94, 166,337.84 and 40,754.78

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Solution

The fourth proportional to 110,880.94, 166,337.84 and 40,754.78 is: 61,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,880.94 : 166,337.84 = 40,754.78 : x
  2. Step 2: Convert to fraction form
    110,880.94/166,337.84 = 40,754.78/x
  3. Step 3: Cross multiply
    110,880.94x = 166,337.84 × 40,754.78
  4. Step 4: Simplify right side
    110,880.94x = 6,779,062,074.88
  5. Step 5: Solve for x
    x = 6,779,062,074.88/110,880.94
  6. Step 6: Final answer
    x = 61,138.21

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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.