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Finding the Fourth Proportional to 111,800.44, 167,700.66 and 76,633.48

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Solution

The fourth proportional to 111,800.44, 167,700.66 and 76,633.48 is: 114,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,800.44 : 167,700.66 = 76,633.48 : x
  2. Step 2: Convert to fraction form
    111,800.44/167,700.66 = 76,633.48/x
  3. Step 3: Cross multiply
    111,800.44x = 167,700.66 × 76,633.48
  4. Step 4: Simplify right side
    111,800.44x = 12,851,485,174.10
  5. Step 5: Solve for x
    x = 12,851,485,174.10/111,800.44
  6. Step 6: Final answer
    x = 114,950.22

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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.