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Finding the Fourth Proportional to 111,353.05, 167,029.58 and 92,654.20

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Solution

The fourth proportional to 111,353.05, 167,029.58 and 92,654.20 is: 138,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,353.05 : 167,029.58 = 92,654.20 : x
  2. Step 2: Convert to fraction form
    111,353.05/167,029.58 = 92,654.20/x
  3. Step 3: Cross multiply
    111,353.05x = 167,029.58 × 92,654.20
  4. Step 4: Simplify right side
    111,353.05x = 15,475,991,647.97
  5. Step 5: Solve for x
    x = 15,475,991,647.97/111,353.05
  6. Step 6: Final answer
    x = 138,981.30

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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.