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Finding the Fourth Proportional to 111,259.73, 166,889.55 and 73,892.75

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Solution

The fourth proportional to 111,259.73, 166,889.55 and 73,892.75 is: 110,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259.73 : 166,889.55 = 73,892.75 : x
  2. Step 2: Convert to fraction form
    111,259.73/166,889.55 = 73,892.75/x
  3. Step 3: Cross multiply
    111,259.73x = 166,889.55 × 73,892.75
  4. Step 4: Simplify right side
    111,259.73x = 12,331,928,212.99
  5. Step 5: Solve for x
    x = 12,331,928,212.99/111,259.73
  6. Step 6: Final answer
    x = 110,839.10

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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.