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Finding the Fourth Proportional to 111,333.80, 167,019.10 and 55,176.52

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Solution

The fourth proportional to 111,333.80, 167,019.10 and 55,176.52 is: 82,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,333.80 : 167,019.10 = 55,176.52 : x
  2. Step 2: Convert to fraction form
    111,333.80/167,019.10 = 55,176.52/x
  3. Step 3: Cross multiply
    111,333.80x = 167,019.10 × 55,176.52
  4. Step 4: Simplify right side
    111,333.80x = 9,215,532,711.53
  5. Step 5: Solve for x
    x = 9,215,532,711.53/111,333.80
  6. Step 6: Final answer
    x = 82,773.90

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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.