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Finding the Fourth Proportional to 111,191.55, 166,797.58 and 36,312.09

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Solution

The fourth proportional to 111,191.55, 166,797.58 and 36,312.09 is: 54,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,191.55 : 166,797.58 = 36,312.09 : x
  2. Step 2: Convert to fraction form
    111,191.55/166,797.58 = 36,312.09/x
  3. Step 3: Cross multiply
    111,191.55x = 166,797.58 × 36,312.09
  4. Step 4: Simplify right side
    111,191.55x = 6,056,768,528.25
  5. Step 5: Solve for x
    x = 6,056,768,528.25/111,191.55
  6. Step 6: Final answer
    x = 54,471.48

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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.