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Finding the Fourth Proportional to 110,958.55, 166,434.18 and 44,380.80

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Solution

The fourth proportional to 110,958.55, 166,434.18 and 44,380.80 is: 66,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,958.55 : 166,434.18 = 44,380.80 : x
  2. Step 2: Convert to fraction form
    110,958.55/166,434.18 = 44,380.80/x
  3. Step 3: Cross multiply
    110,958.55x = 166,434.18 × 44,380.80
  4. Step 4: Simplify right side
    110,958.55x = 7,386,482,055.74
  5. Step 5: Solve for x
    x = 7,386,482,055.74/110,958.55
  6. Step 6: Final answer
    x = 66,569.74

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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.