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Finding the Fourth Proportional to 111,260.35, 166,888.70 and 27,021.20

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Solution

The fourth proportional to 111,260.35, 166,888.70 and 27,021.20 is: 40,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.35 : 166,888.70 = 27,021.20 : x
  2. Step 2: Convert to fraction form
    111,260.35/166,888.70 = 27,021.20/x
  3. Step 3: Cross multiply
    111,260.35x = 166,888.70 × 27,021.20
  4. Step 4: Simplify right side
    111,260.35x = 4,509,532,805.33
  5. Step 5: Solve for x
    x = 4,509,532,805.33/111,260.35
  6. Step 6: Final answer
    x = 40,531.36

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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.