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Finding the Fourth Proportional to 111,799.44, 167,699.16 and 76,632.48

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Solution

The fourth proportional to 111,799.44, 167,699.16 and 76,632.48 is: 114,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,799.44 : 167,699.16 = 76,632.48 : x
  2. Step 2: Convert to fraction form
    111,799.44/167,699.16 = 76,632.48/x
  3. Step 3: Cross multiply
    111,799.44x = 167,699.16 × 76,632.48
  4. Step 4: Simplify right side
    111,799.44x = 12,851,202,524.72
  5. Step 5: Solve for x
    x = 12,851,202,524.72/111,799.44
  6. Step 6: Final answer
    x = 114,948.72

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Similar ratio
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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.