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Finding the Fourth Proportional to 111,892.52, 167,798.78 and 36,998.84

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Solution

The fourth proportional to 111,892.52, 167,798.78 and 36,998.84 is: 55,485.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,892.52 : 167,798.78 = 36,998.84 : x
  2. Step 2: Convert to fraction form
    111,892.52/167,798.78 = 36,998.84/x
  3. Step 3: Cross multiply
    111,892.52x = 167,798.78 × 36,998.84
  4. Step 4: Simplify right side
    111,892.52x = 6,208,360,213.42
  5. Step 5: Solve for x
    x = 6,208,360,213.42/111,892.52
  6. Step 6: Final answer
    x = 55,485.03

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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.