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Finding the Fourth Proportional to 111,379.80, 167,076.10 and 32,506.20

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Solution

The fourth proportional to 111,379.80, 167,076.10 and 32,506.20 is: 48,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,379.80 : 167,076.10 = 32,506.20 : x
  2. Step 2: Convert to fraction form
    111,379.80/167,076.10 = 32,506.20/x
  3. Step 3: Cross multiply
    111,379.80x = 167,076.10 × 32,506.20
  4. Step 4: Simplify right side
    111,379.80x = 5,431,009,121.82
  5. Step 5: Solve for x
    x = 5,431,009,121.82/111,379.80
  6. Step 6: Final answer
    x = 48,761.17

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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.