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Finding the Fourth Proportional to 133,974.82, 200,654.16 and 74,679.18

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Solution

The fourth proportional to 133,974.82, 200,654.16 and 74,679.18 is: 111,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,974.82 : 200,654.16 = 74,679.18 : x
  2. Step 2: Convert to fraction form
    133,974.82/200,654.16 = 74,679.18/x
  3. Step 3: Cross multiply
    133,974.82x = 200,654.16 × 74,679.18
  4. Step 4: Simplify right side
    133,974.82x = 14,984,688,132.39
  5. Step 5: Solve for x
    x = 14,984,688,132.39/133,974.82
  6. Step 6: Final answer
    x = 111,847.05

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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.