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Finding the Fourth Proportional to 133,497.50, 200,069.12 and 111,354.26

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Solution

The fourth proportional to 133,497.50, 200,069.12 and 111,354.26 is: 166,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,497.50 : 200,069.12 = 111,354.26 : x
  2. Step 2: Convert to fraction form
    133,497.50/200,069.12 = 111,354.26/x
  3. Step 3: Cross multiply
    133,497.50x = 200,069.12 × 111,354.26
  4. Step 4: Simplify right side
    133,497.50x = 22,278,548,806.45
  5. Step 5: Solve for x
    x = 22,278,548,806.45/133,497.50
  6. Step 6: Final answer
    x = 166,883.64

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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.