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Finding the Fourth Proportional to 133,008.89, 199,256.09 and 111,405.11

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Solution

The fourth proportional to 133,008.89, 199,256.09 and 111,405.11 is: 166,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,008.89 : 199,256.09 = 111,405.11 : x
  2. Step 2: Convert to fraction form
    133,008.89/199,256.09 = 111,405.11/x
  3. Step 3: Cross multiply
    133,008.89x = 199,256.09 × 111,405.11
  4. Step 4: Simplify right side
    133,008.89x = 22,198,145,071.31
  5. Step 5: Solve for x
    x = 22,198,145,071.31/133,008.89
  6. Step 6: Final answer
    x = 166,892.20

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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.