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Finding the Fourth Proportional to 133,047.67, 199,398.23 and 54,069.56

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Solution

The fourth proportional to 133,047.67, 199,398.23 and 54,069.56 is: 81,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,047.67 : 199,398.23 = 54,069.56 : x
  2. Step 2: Convert to fraction form
    133,047.67/199,398.23 = 54,069.56/x
  3. Step 3: Cross multiply
    133,047.67x = 199,398.23 × 54,069.56
  4. Step 4: Simplify right side
    133,047.67x = 10,781,374,560.88
  5. Step 5: Solve for x
    x = 10,781,374,560.88/133,047.67
  6. Step 6: Final answer
    x = 81,033.92

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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.