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Finding the Fourth Proportional to 111,773.99, 154,170.03 and 75,901.73

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Solution

The fourth proportional to 111,773.99, 154,170.03 and 75,901.73 is: 104,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,773.99 : 154,170.03 = 75,901.73 : x
  2. Step 2: Convert to fraction form
    111,773.99/154,170.03 = 75,901.73/x
  3. Step 3: Cross multiply
    111,773.99x = 154,170.03 × 75,901.73
  4. Step 4: Simplify right side
    111,773.99x = 11,701,771,504.93
  5. Step 5: Solve for x
    x = 11,701,771,504.93/111,773.99
  6. Step 6: Final answer
    x = 104,691.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.