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Finding the Fourth Proportional to 178,019.27, 266,844.37 and 111,306.20

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Solution

The fourth proportional to 178,019.27, 266,844.37 and 111,306.20 is: 166,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019.27 : 266,844.37 = 111,306.20 : x
  2. Step 2: Convert to fraction form
    178,019.27/266,844.37 = 111,306.20/x
  3. Step 3: Cross multiply
    178,019.27x = 266,844.37 × 111,306.20
  4. Step 4: Simplify right side
    178,019.27x = 29,701,432,600.26
  5. Step 5: Solve for x
    x = 29,701,432,600.26/178,019.27
  6. Step 6: Final answer
    x = 166,843.92

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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.