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Finding the Fourth Proportional to 111,456.90, 167,205.60 and 36,556.20

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Solution

The fourth proportional to 111,456.90, 167,205.60 and 36,556.20 is: 54,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456.90 : 167,205.60 = 36,556.20 : x
  2. Step 2: Convert to fraction form
    111,456.90/167,205.60 = 36,556.20/x
  3. Step 3: Cross multiply
    111,456.90x = 167,205.60 × 36,556.20
  4. Step 4: Simplify right side
    111,456.90x = 6,112,401,354.72
  5. Step 5: Solve for x
    x = 6,112,401,354.72/111,456.90
  6. Step 6: Final answer
    x = 54,840.94

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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.