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Finding the Fourth Proportional to 178,019.28, 266,844.39 and 111,306.22

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Solution

The fourth proportional to 178,019.28, 266,844.39 and 111,306.22 is: 166,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019.28 : 266,844.39 = 111,306.22 : x
  2. Step 2: Convert to fraction form
    178,019.28/266,844.39 = 111,306.22/x
  3. Step 3: Cross multiply
    178,019.28x = 266,844.39 × 111,306.22
  4. Step 4: Simplify right side
    178,019.28x = 29,701,439,323.15
  5. Step 5: Solve for x
    x = 29,701,439,323.15/178,019.28
  6. Step 6: Final answer
    x = 166,843.94

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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.